CVE-2025-23640
📋 TL;DR
This vulnerability in the WordPress Rename Author Slug plugin allows attackers to perform Cross-Site Request Forgery (CSRF) attacks that lead to Stored Cross-Site Scripting (XSS). Attackers can trick authenticated administrators into executing malicious actions that inject persistent scripts into WordPress sites. All WordPress installations using vulnerable versions of this plugin are affected.
💻 Affected Systems
- WordPress Rename Author Slug 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
Attackers could inject malicious JavaScript that steals administrator credentials, redirects users to malicious sites, or performs unauthorized administrative actions on the WordPress site.
Likely Case
Attackers would typically use this to inject advertising scripts, cryptocurrency miners, or credential-stealing payloads that affect all site visitors.
If Mitigated
With proper CSRF protections and input validation, the attack chain would be broken, preventing successful exploitation.
🎯 Exploit Status
Exploitation requires social engineering to trick an authenticated administrator into clicking a malicious link or visiting a compromised page.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.2.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Rename Author Slug' plugin. 4. Click 'Update Now' if update is available. 5. If no update is available, deactivate and delete the plugin immediately.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the Rename Author Slug plugin until a patched version is available
Implement CSRF protection
allAdd WordPress nonce verification to all plugin forms and AJAX requests
🧯 If You Can't Patch
- Remove the Rename Author Slug plugin completely from your WordPress installation
- Implement web application firewall rules to block suspicious POST requests to the plugin's endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'Rename Author Slug' version 1.2.0 or earlierCheck Version:
wp plugin list --name='rename-author-slug' --field=versionVerify Fix Applied:
Verify plugin version is higher than 1.2.0 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with plugin-specific actions
- Multiple failed CSRF token validations
Network Indicators:
- Suspicious referrer headers in POST requests to WordPress admin endpoints
- Unexpected JavaScript injection in plugin settings
SIEM Query:
source="wordpress.log" AND ("rename-author-slug" OR "admin-ajax.php") AND (POST AND NOT "_wpnonce")