CVE-2025-22704
📋 TL;DR
A Cross-Site Request Forgery (CSRF) vulnerability in the WordPress Signature plugin allows attackers to trick authenticated administrators into performing unintended actions. This affects all WordPress sites running the WordPress Signature plugin version 0.1 or earlier. The vulnerability enables attackers to perform actions with the privileges of the logged-in user.
💻 Affected Systems
- WordPress Signature plugin
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
An attacker could trick an administrator into changing plugin settings, modifying content, or potentially performing administrative actions that could lead to site compromise.
Likely Case
Attackers could modify signature settings, inject malicious content, or perform other actions within the plugin's capabilities using an administrator's session.
If Mitigated
With proper CSRF protections and user awareness, the risk is limited as it requires user interaction and authentication.
🎯 Exploit Status
Exploitation requires tricking an authenticated user into visiting a malicious page while logged into WordPress.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WordPress Signature plugin. 4. Click 'Update Now' if update is available. 5. If no update is available, deactivate and delete the plugin.
🔧 Temporary Workarounds
Deactivate Plugin
allTemporarily disable the vulnerable plugin until patched version is available
wp plugin deactivate wordpress-signature
Implement CSRF Protection
allAdd CSRF tokens to plugin forms if you have development access
🧯 If You Can't Patch
- Remove the WordPress Signature plugin completely from your WordPress installation
- Implement web application firewall rules to block CSRF attempts targeting the plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for WordPress Signature version 0.1 or earlierCheck Version:
wp plugin get wordpress-signature --field=versionVerify Fix Applied:
Verify plugin version is 0.2 or later in WordPress admin panel, or verify plugin is removed📡 Detection & Monitoring
Log Indicators:
- Multiple POST requests to WordPress Signature plugin endpoints without referrer headers
- Unexpected modifications to plugin settings
Network Indicators:
- HTTP requests to /wp-admin/admin-ajax.php with action parameters related to signature plugin
- Requests with missing or suspicious referrer headers
SIEM Query:
source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" AND action="*signature*")