CVE-2025-31627
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Media Library Assistant WordPress plugin allows attackers to inject malicious scripts into web pages. When exploited, these scripts execute in victims' browsers, potentially stealing session cookies or performing actions as authenticated users. All WordPress sites using Media Library Assistant versions up to 3.24 are affected.
💻 Affected Systems
- Media Library Assistant 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 sites, deface content, or install backdoors for persistent access.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, redirect visitors to phishing sites, or perform actions as authenticated users.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users' browsers.
🎯 Exploit Status
Stored XSS typically requires some level of access to inject payloads, but once stored, affects all users viewing the compromised content.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.25 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Media Library Assistant. 4. Click 'Update Now' if update available. 5. Alternatively, download version 3.25+ from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable Media Library Assistant plugin until patched
wp plugin deactivate media-library-assistant
Content Security Policy
allImplement strict CSP headers to mitigate XSS impact
Add 'Content-Security-Policy: default-src 'self'; script-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 → Plugins → Media Library Assistant → Version. If version is 3.24 or lower, you are vulnerable.Check Version:
wp plugin get media-library-assistant --field=versionVerify Fix Applied:
After updating, verify plugin version shows 3.25 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to Media Library Assistant endpoints
- JavaScript payloads in plugin-related logs
- Multiple failed XSS attempts
Network Indicators:
- Suspicious script tags in HTTP requests to /wp-content/plugins/media-library-assistant/
- Unexpected redirects from media library pages
SIEM Query:
source="wordpress.log" AND "media-library-assistant" AND ("script" OR "javascript" OR "onload" OR "onerror")