CVE-2025-67536
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the LearnPress WordPress plugin allows attackers to inject malicious scripts into web pages that are then executed when other users view those pages. It affects all LearnPress installations up to version 4.2.9.4. WordPress sites using vulnerable LearnPress versions are at risk.
💻 Affected Systems
- ThimPress LearnPress WordPress 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 admin accounts, deface websites, or redirect users to malicious sites, potentially leading to complete site compromise.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, perform actions on behalf of authenticated users, or display phishing content.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users, preventing execution.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited. While no public PoC is confirmed, the vulnerability type suggests exploitation is straightforward for attackers with basic web skills.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.2.9.5 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find LearnPress and click 'Update Now' if available. 4. Alternatively, download latest version from WordPress.org and manually update.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable LearnPress plugin until patched to prevent exploitation
wp plugin deactivate learnpress
Content Security Policy (CSP)
allImplement CSP headers to restrict script execution sources
Add 'Content-Security-Policy' header 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 using role-based controls
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for LearnPress version
Check Version:
wp plugin get learnpress --field=version
Verify Fix Applied:
Verify LearnPress version is 4.2.9.5 or higher after update
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to LearnPress endpoints with script tags
- Multiple failed login attempts after suspicious plugin activity
Network Indicators:
- HTTP requests containing script injection patterns to LearnPress URLs
SIEM Query:
web_requests WHERE url CONTAINS 'learnpress' AND (body CONTAINS '<script>' OR body CONTAINS 'javascript:')