CVE-2025-25071
📋 TL;DR
A Cross-Site Request Forgery (CSRF) vulnerability in the WordPress Vignette Ads plugin allows attackers to perform stored cross-site scripting (XSS) attacks. This affects WordPress sites using the Vignette Ads plugin version 0.2 and earlier. Attackers can trick authenticated administrators into executing malicious actions that inject persistent scripts.
💻 Affected Systems
- WordPress Vignette Ads 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 takes full control of the WordPress site when administrators view affected pages.
Likely Case
Attackers create fake admin interfaces or forms that trick logged-in administrators into executing actions that inject malicious scripts into the site, potentially compromising user sessions and site integrity.
If Mitigated
With proper CSRF protections and input validation, the vulnerability would be prevented, and only legitimate admin actions would be processed.
🎯 Exploit Status
Exploitation requires social engineering to trick an authenticated administrator into clicking a malicious link or visiting a crafted page.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check plugin repository for updated version
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/vignete-ads/vulnerability/wordpress-vignette-ads-plugin-0-2-csrf-to-stored-xss-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Vignette Ads plugin. 4. Click 'Update Now' if update available. 5. If no update, deactivate and remove plugin immediately.
🔧 Temporary Workarounds
Implement CSRF Tokens
WordPressAdd CSRF protection tokens to all plugin forms and actions
Requires custom PHP development to implement nonce verification in plugin code
🧯 If You Can't Patch
- Disable or remove the Vignette Ads plugin immediately
- Implement web application firewall (WAF) rules to block CSRF attempts and XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Vignette Ads version 0.2 or earlier
Check Version:
wp plugin list --name=vignette-ads --field=version
Verify Fix Applied:
Verify plugin is updated to version above 0.2 or completely removed from the system
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to admin-ajax.php or plugin-specific endpoints
- Multiple failed CSRF token validations in WordPress debug logs
Network Indicators:
- Unexpected JavaScript injection in plugin settings or content
- Suspicious referrer headers in admin area requests
SIEM Query:
source="wordpress.log" AND ("admin-ajax.php" OR "vignette-ads") AND ("csrf" OR "xss" OR "script injection")