CVE-2025-57966
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Gallery Lightbox WordPress 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 vulnerable versions of Gallery Lightbox are affected.
💻 Affected Systems
- Gallery Lightbox 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 websites, or redirect visitors to malicious sites.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, potentially compromising user accounts.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
Exploitation requires the ability to inject malicious content into the WordPress site, typically through authenticated access or another vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.0.0.41
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Gallery Lightbox plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install latest version from WordPress repository.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the Gallery Lightbox plugin until patched version is available
Content Security Policy
allImplement strict Content Security Policy headers to mitigate XSS impact
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads
- Disable user input fields that accept HTML/JavaScript in Gallery Lightbox settings
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Gallery Lightbox version 1.0.0.41 or earlierCheck Version:
wp plugin list --name=gallery-lightbox-slider --field=versionVerify Fix Applied:
Verify plugin version is greater than 1.0.0.41 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to gallery lightbox endpoints
- JavaScript payloads in request parameters
Network Indicators:
- Malicious script tags in HTTP requests to WordPress admin-ajax.php or similar endpoints
SIEM Query:
source="wordpress" AND (uri="*gallery-lightbox*" OR uri="*admin-ajax*") AND (content="<script>" OR content="javascript:")