Plugin Name	Jannah
Type of Vulnerability	Local File Inclusion
CVE Number	CVE-2026-25464
Urgency	High
CVE Publish Date	2026-03-18
Source URL	CVE-2026-25464

Local File Inclusion in Jannah Theme (<= 7.6.3) — What WordPress Site Owners Must Do Right Now

A Local File Inclusion (LFI) vulnerability affecting the Jannah WordPress theme (versions <= 7.6.3) — tracked as CVE-2026-25464 — was published recently. It is a high priority vulnerability (CVSS 8.1) that allows unauthenticated attackers to include and display local files from the web server. That means attackers can potentially read sensitive files (for example, wp-config.php), which can lead to database credential exposure and full site takeover.

If you run Jannah theme on any WordPress site, read this guide carefully. I’m writing from the WP-Firewall security team perspective: real-world, step-by-step mitigation and recovery advice you can apply immediately — even before an official vendor patch is available.

Contents

• What is an LFI and why it’s dangerous for WordPress sites
• Summary of the Jannah LFI issue (<= 7.6.3, CVE-2026-25464)
• How attackers exploit LFI (common patterns and payloads)
• Immediate actions (0–24 hours)
• Short-term mitigations (24–72 hours)
• Hardening and long-term fixes
• Detection and hunting: indicators of compromise and log patterns
• Incident response playbook if your site is compromised
• How WP-Firewall protects you and fits into your response
• Additional recommendations and frequently asked questions
• Protect Your Site Now — Start with WP-Firewall Free Plan

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What is an LFI and why it’s dangerous for WordPress sites

Local File Inclusion (LFI) is a class of vulnerability that occurs when an application includes files based on user-controlled input without proper validation. In a PHP-based CMS like WordPress, if a theme or plugin uses include/require with an unsanitized variable (for example require_once($_GET[‘page’])), an attacker can manipulate the path and cause the server to include local files.

Why this matters:

• Many sensitive files reside on the server (wp-config.php, .env, backup files, logs).
• Reading wp-config.php can leak the database username/password and salts.
• Once credentials or secrets are exposed, lateral movement and full compromise are trivial.
• LFI is particularly dangerous as it often requires no authentication and can be automated to target thousands of sites.

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Summary of the Jannah LFI issue (<= 7.6.3, CVE-2026-25464)

• Affected software: Jannah WordPress theme, versions up to and including 7.6.3.
• Vulnerability: Local File Inclusion (LFI) via an unauthenticated input that results in server-side file inclusion.
• CVE: CVE-2026-25464
• Severity: High (CVSS 8.1)
• Impact: Remote attacker can include and display local files from the web server; potential to leak database credentials and other secrets.
• Privilege required: None (Unauthenticated).
• Official patch: At the time of this writing, there is no official patch available for all affected sites. (Check the theme author’s channels for updates.)
• Mass exploitation risk: High — LFI vulnerabilities are routine targets for automated scanning and mass exploitation.

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How attackers exploit LFI (common patterns and payloads)

Attackers searching for LFI attempt to call endpoints with parameters that contain directory traversal sequences (../) and known file names. Some common payload patterns:

• Traversal + sensitive file:
  • /?page=../../../../wp-config.php
• Null byte tricks (older PHP versions):
  • /?page=../../../../wp-config.php%00
• Log file inclusion (poisoned log):
  • /?page=../../../../wp-content/debug.log
• Filtered output & encoding attempts:
  • /?page=../../../../wp-config.php&show=1
• Proxying shell code or reading backup files:
  • /?page=../../../../backups/site-backup.sql

Automated scanners will try thousands of permutations; once they find a live LFI endpoint, they will attempt to extract wp-config.php, read .env, or include uploaded files to execute PHP code. Attack chains vary, but reading wp-config.php is usually enough for the attacker to escalate quickly.

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Immediate actions (0–24 hours)

If you suspect or confirmed that your site uses the vulnerable Jannah version, prioritize the following immediate steps:

1. Put the site into maintenance mode if possible
   • Minimizes further exploitation and user impact during remediation.
2. Restrict public access to theme files
   • Temporarily restrict access to wp-content/themes/jannah/ via IP allowlisting in your hosting control panel or webserver config.
3. Remove or replace the vulnerable theme if you cannot patch immediately
   • Switch to a clean, trusted theme (default WordPress themes like Twenty Twenty-Three) until a safe update is available.
   • If switching isn’t possible, remove the theme from the server and reactivate a safe theme.
4. Block exploitation vectors at the edge (Web Application Firewall / host)
   • Implement blocking rules for common traversal patterns: ../ or %2e%2e%2f
   • Block/deny requests containing suspicious filenames: wp-config.php, .env, etc.
   • If you use WP-Firewall, enable immediate mitigation rules that target LFI patterns and Jannah-specific attack signatures.
5. Rotate credentials (if there’s evidence of compromise)
   • Change WordPress admin passwords, database user password, and any keys/secrets if wp-config.php may have been exposed.
   • Update third-party API keys if they’re stored on the server.
6. Take a full backup (files + database)
   • Snapshot current state for forensics before making destructive changes.
7. Scan for indicators of compromise
   • Use a malware scanner to detect unusual files or webshells.
   • Inspect recently modified files in wp-content/uploads/ and plugin/theme folders.

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Short-term mitigations (24–72 hours)

After immediate containment, apply layered mitigations to reduce attack surface while awaiting an official vendor patch:

1. Apply strict .htaccess / nginx rules to block file access

Apache (.htaccess) — Protect wp-config.php and block traversal:

# Deny access to wp-config.php
<Files wp-config.php>
  Order allow,deny
  Deny from all
</Files>

# Block directory traversal attempts
RewriteEngine On
RewriteCond %{QUERY_STRING} \.\./ [NC,OR]
RewriteCond %{QUERY_STRING} \%2e\%2e [NC]
RewriteRule .* - [F]

Nginx — deny wp-config.php and block traversal:

location = /wp-config.php {
  deny all;
}

# Block common traversal patterns
if ($args ~* "\.\./|\%2e\%2e") {
  return 403;
}

2. Harden PHP configuration
   • Disable allow_url_include and allow_url_fopen if not needed.
   • Limit open_basedir to your WordPress root to prevent inclusion of arbitrary files:
     • php_admin_value[open_basedir] = /var/www/example.com:/tmp
   • Disable dangerous functions (if safe for your site):
     • disable_functions = exec,passthru,shell_exec,system,proc_open,popen
3. File permissions and ownership
   • Ensure proper file permissions: files 644, dirs 755, wp-config.php 600 or 640 where supported.
   • Ensure the webserver user owns what it needs and no more.
4. Disable/limit theme file includes
   • Ask developers to audit theme code and comment out or harden any include/require statements that accept user input.
5. Block suspicious user agents and bad IPs
   • Use your host’s access controls to block known scanner botnets and repeated IP addresses with exploit attempts.
6. Implement virtual patching
   • If you can’t update immediately, apply targeted WAF rules (virtual patches) to block the LFI exploit patterns and any discovered vulnerable endpoints until a theme patch is available.

---

Hardening and long-term fixes

1. Update the theme when a vendor patch is available
   • Apply the theme update as soon as it’s released and verified.
2. Conduct a code review of Jannah (and other third-party themes/plugins)
   • Look for patterns such as dynamic include/require, use of file_get_contents() with unsanitized input, or use of user input to build file paths.
3. Adopt a centralized vulnerability management process
   • Maintain an inventory of themes and plugins, track versions, and subscribe to vulnerability feeds relevant to WordPress.
4. Limit file-editing inside WordPress
   • In wp-config.php set:
     • define('DISALLOW_FILE_EDIT', true);
     • define('DISALLOW_FILE_MODS', true);
   • This reduces the risk of attackers editing code via the dashboard.
5. Enforce least privilege for database users
   • Avoid using the database user with global privileges. Use only the permissions WordPress needs (SELECT, INSERT, UPDATE, DELETE, CREATE, ALTER).
6. Separate environments and backups
   • Keep separate staging environments; ensure backups are not stored in accessible web directories.
7. Regularly rotate secrets and API keys
   • If any secret was exposed, rotate and invalidate tokens.
8. Integrate runtime detection
   • File integrity monitoring (FIM) and real-time alerts help detect suspicious changes sooner.

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Detection and hunting: indicators of compromise and log patterns

Detecting exploitation attempts early reduces damage. Review your access logs, error logs, and application logs for the following patterns and indicators:

Common request patterns:

• Requests with traversal sequences: "../", "..%2f", "%2e%2e%2f".
• Requests attempting to include known files: wp-config.php, .env, .bash_history, backup.sql, logs/debug.log.
• Requests with long payloads or base64-encoded parameters.
• POST requests that attempt to upload or include files into theme directories.

Examples of suspicious log entries:

• 200 or 403 responses to requests with ../../../wp-config.php in query string.
• 500 errors caused by file inclusion attempts (unexpected warnings about include/require).
• Abnormal hits to theme files (e.g., /wp-content/themes/jannah/include.php?page=...).

Files to inspect on disk:

• wp-config.php — check for recently modified timestamp.
• Any files in wp-content/uploads/ or tmp directories with .php extension.
• Unexpected cron entries in WordPress or server crontab.
• New admin users or changed user capability levels.

Hunting queries (grep):

• Search for traversal payloads in access logs:
  
  grep -E "(\.\./|\%2e\%2e)" /var/log/apache2/access.log
• Check file modification timeline:
  
  find /var/www/site -type f -mtime -7 -ls

If you find anything suspicious, take the site offline for deeper investigation and forensics.

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Incident response playbook if your site is compromised

If you determine that an LFI was successfully exploited and secrets were leaked, follow a remediation playbook:

1. Isolate
   • Put the site in maintenance mode or take it offline to prevent further damage.
2. Snapshot
   • Take a disk image and database snapshot for forensics.
3. Change credentials
   • Rotate DB password, WordPress admin passwords, and any other keys (API, third-party).
4. Remove backdoors and suspicious files
   • Manually review and remove webshells or unknown PHP files from uploads and theme/plugin folders.
5. Restore from a clean backup (if available)
   • If you have a pre-compromise backup, restore it and re-apply security updates patched against the vulnerability.
6. Reinstall core/theme/plugin files from trusted sources
   • Replace theme and plugin files with fresh copies from official repositories.
7. Enhance monitoring
   • Turn on file integrity checks, log aggregations, and increase alerting frequency.
8. Re-evaluate access and permissions
   • Ensure least privilege and remove unused admin accounts.
9. Report and learn
   • Report the incident to your hosting provider and document the attack vectors for future prevention.
10. External support
    • If the incident is complex, engage a professional incident response provider experienced with WordPress.

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How WP-Firewall protects you and fits into your response

At WP-Firewall we view security as layered protection, rapid detection, and fast mitigation. Our product and services help during every step:

• Managed WAF rules (virtual patching): When a zero-day or high-risk vulnerability like this LFI emerges, WP-Firewall can deploy targeted rules to block exploit patterns before an official patch is available. This is commonly called “virtual patching” and is a critical stop-gap measure.
• Signature-based and behavior-based blocking: We block traversal patterns, attempts to read sensitive files, and suspicious POSTs or uploads.
• Malware scanning and file integrity: Detects webshells, unexpected PHP files in uploads, and modified core/theme files.
• Real-time alerts and logs: Gives you the visibility you need to investigate suspicious events and act quickly.
• Guided incident response: Our support team helps prioritize steps, from isolating the site to rotating credentials and cleaning up artifacts.

Why virtual patching matters: A theme patch may be delayed, or the theme may be installed on many sites that aren’t kept up-to-date. A properly tuned WAF blocks exploit attempts at the edge and buys you time to patch and validate updates safely.

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Practical WAF rules and Nginx/Apache examples you can apply immediately

Below are concrete defensive rules you or your host can apply to block common LFI exploit patterns. Test in staging first.

ModSecurity (generic rule idea):

# Block obvious directory traversal in query strings
SecRule ARGS|ARGS_NAMES|REQUEST_URI|REQUEST_HEADERS "(?:\.\./|\%2e\%2e\%2f|/etc/passwd|wp-config\.php|\.env)" \
    "id:1000001,phase:2,deny,log,msg:'LFI/traversal attempt blocked',severity:2"

Nginx snippet (add to server block):

# deny attempts to access wp-config.php directly via query string
if ($request_uri ~* "wp-config\.php") {
  return 403;
}
# block traversal
if ($query_string ~* "\.\./|\%2e\%2e") {
  return 403;
}

Apache (.htaccess) rule already shown earlier is effective for many hosts.

Note: Generic blocking can produce false positives. Use whitelisting and testing to avoid disrupting legitimate functionality.

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Developer guidance — how to fix code to prevent LFI

If you maintain a theme or custom plugin, follow these coding best-practices to avoid LFI:

• Never use user-supplied input directly in include/require statements.
• Use whitelists rather than blacklists: map allowed page names to safe file paths.
  Example:

$pages = [
  'home' => 'templates/home.php',
  'about' => 'templates/about.php',
];

$page = $_GET['page'] ?? 'home';

if (array_key_exists($page, $pages)) {
  include get_template_directory() . '/' . $pages[$page];
} else {
  include get_template_directory() . '/templates/404.php';
}

• Validate and normalize file paths with basename(), realpath(), and checks against an allowed directory.
• Avoid dynamic include calls that concatenate strings from user input.
• Use WordPress APIs where possible (get_template_part, locate_template) which are less prone to exploitation when used correctly.

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Frequently asked questions (FAQ)

Q: Can an attacker execute arbitrary code via LFI?
A: LFI typically reads local files, but it can lead to remote code execution in chained attacks — for example, by including a file that an attacker can control (an uploaded PHP file or a poisoned log). Once code execution is achieved, full compromise follows.

Q: If I change the database password, will my site break?
A: After changing the DB password, update wp-config.php with the new credentials. If the attacker had already obtained the old credentials and used them elsewhere, rotate any dependent services. Also consider creating a new DB user with limited privileges.

Q: What if I can’t update the theme because it’s customized?
A: Use virtual patching to block the exploit, then plan a controlled update. If the theme is customized, merge vendor fixes into your customized version or refactor to remove the problematic code.

Q: How long should I keep the site offline if compromised?
A: As long as necessary to remove webshells, validate backups, change credentials, and ensure no backdoors remain. That could be hours or days depending on complexity.

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Protect Your Site Now — Start with WP-Firewall Free Plan

If you’re looking for a fast, low-friction way to add essential protection while you evaluate deeper fixes, our free Basic plan provides immediate layers of defense:

• Essential protection: managed firewall, unlimited bandwidth, WAF, malware scanner, and mitigation of OWASP Top 10 risks.
• Fast mitigation: real-time rules that block LFI patterns and other common exploit vectors.
• No-cost entry point for site owners who want basic, automated protection with the option to upgrade.

Get started with the WP-Firewall Basic (Free) plan here: https://my.wp-firewall.com/buy/wp-firewall-free-plan/

(If you need a higher level of automation and support, our paid plans add automatic malware removal, IP blacklist/whitelist management, monthly reports, and automatic virtual patching.)

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Checklist: Immediate and follow-up items

Immediate (within hours)

• Put site into maintenance mode or take offline
• Replace or remove the Jannah theme if you cannot confirm it’s patched
• Block traversal patterns at the webserver/WAF
• Take backups and snapshots for forensics
• Scan for webshells and suspicious files

Follow-up (24–72 hours)

• Harden PHP (open_basedir, disable risky functions)
• Tighten file permissions and disable file editing
• Rotate database and admin credentials if compromise suspected
• Apply virtual patching rules (WAF) to block exploit attempts

Long-term (ongoing)

• Keep themes and plugins up-to-date
• Implement FIM and continuous malware scanning
• Periodically review and harden custom theme code
• Maintain an inventory of installed components and track vulnerabilities

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Closing thoughts

Local File Inclusion vulnerabilities are highly attractive to attackers because they can be automated and often require no authentication. When a popular theme is affected, thousands of small-to-medium sites can be targeted in minutes. The best defense is a combination of proactive management (updates and code review), layered controls (WAF, file permissions, PHP hardening), and rapid detection/response.

If you run sites using third-party themes, adopt an incident-ready posture: backups, logging, isolation plans, and a reliable WAF that can deliver fast virtual patches. WP-Firewall is designed to give site owners exactly those capabilities — from free, essential protections to advanced automated mitigation for organizations that need it.

Stay safe, stay patched, and if you need help deploying virtual patches or hunting signs of compromise, our team is standing by to assist.

— WP-Firewall Security Team