CVE-2025-52791

7.1 HIGH

📋 TL;DR

A Cross-Site Request Forgery (CSRF) vulnerability in the devfelixmoira Knowledge Base Maker WordPress plugin allows attackers to perform stored cross-site scripting (XSS) attacks. This affects WordPress sites using the plugin version 1.1.8 and earlier. Attackers can trick authenticated administrators into executing malicious actions that inject persistent scripts.

💻 Affected Systems

Products:
  • devfelixmoira Knowledge Base Maker WordPress plugin
Versions: 1.1.8 and earlier
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the vulnerable plugin enabled. Requires an authenticated administrator to be tricked into performing an action.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could inject malicious JavaScript that steals administrator credentials, redirects users to malicious sites, or takes full control of the WordPress site when administrators view affected pages.

🟠

Likely Case

Attackers create fake forms or links that trick logged-in administrators into unknowingly submitting requests that inject malicious scripts into the knowledge base content, affecting all users who view that content.

🟢

If Mitigated

With proper CSRF tokens and input validation, the vulnerability would be prevented as legitimate requests would be authenticated and malicious scripts would be sanitized before storage.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires social engineering to trick an authenticated administrator, but the technical complexity is low once the administrator is targeted.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.1.9 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/knowledge-base-maker/vulnerability/wordpress-knowledge-base-knowledge-base-maker-plugin-1-1-8-cross-site-request-forgery-csrf-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Knowledge Base Maker' plugin. 4. Click 'Update Now' if available. 5. Alternatively, download version 1.1.9+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable plugin temporarily

all

Deactivate the vulnerable plugin until patched

wp plugin deactivate knowledge-base-maker

Implement CSRF protection middleware

all

Add custom WordPress filters to validate nonce tokens on plugin requests

Add wp_verify_nonce() checks in custom plugin or theme functions

🧯 If You Can't Patch

  • Restrict plugin access to trusted administrators only and implement strict user education about suspicious links
  • Deploy web application firewall (WAF) rules to detect and block CSRF attempts targeting the plugin endpoints

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin > Plugins > Knowledge Base Maker version. If version is 1.1.8 or lower, you are vulnerable.

Check Version:

wp plugin get knowledge-base-maker --field=version

Verify Fix Applied:

After update, verify plugin version shows 1.1.9 or higher in WordPress admin plugins list.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to /wp-admin/admin-ajax.php with plugin-specific actions
  • Multiple failed nonce verification attempts in WordPress debug logs

Network Indicators:

  • HTTP requests containing 'knowledge-base-maker' parameters without proper referrer headers or nonce tokens

SIEM Query:

source="wordpress.log" AND ("admin-ajax.php" AND "action=kb_maker" OR "knowledge-base-maker")

🔗 References

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