CVE-2025-26537
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the WordPress GDPR Tools plugin allows attackers to inject malicious scripts into web pages. When users view affected pages, the scripts execute in their browsers, potentially stealing credentials or performing unauthorized actions. All WordPress sites using GDPR Tools version 1.0.2 or earlier are affected.
💻 Affected Systems
- WordPress GDPR Tools 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 steal administrator session cookies, take over WordPress sites, deface websites, or redirect visitors to malicious sites.
Likely Case
Attackers steal user session cookies or credentials, perform actions as authenticated users, or deploy malware to visitors.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited; proof-of-concept details are publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.3 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find GDPR Tools and click 'Update Now'. 4. Verify update to version 1.0.3 or later.
🔧 Temporary Workarounds
Disable GDPR Tools Plugin
allTemporarily deactivate the vulnerable plugin until patched.
wp plugin deactivate gdpr-tools
Enable Content Security Policy
allImplement CSP headers to restrict script execution sources.
Add 'Content-Security-Policy: default-src 'self'' to web server configuration
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads
- Restrict plugin access to trusted users only and monitor for suspicious activity
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for GDPR Tools version 1.0.2 or earlier.Check Version:
wp plugin list --name=gdpr-tools --field=versionVerify Fix Applied:
Confirm GDPR Tools version is 1.0.3 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to GDPR Tools endpoints containing script tags or JavaScript
Network Indicators:
- HTTP requests with suspicious parameters like <script>alert()</script> in payloads
SIEM Query:
source="wordpress.log" AND "gdpr-tools" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")