CVE-2025-67538
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the JNews Gallery WordPress plugin allows attackers to inject malicious scripts into web pages that are then executed when other users view those pages. All WordPress sites using vulnerable versions of the JNews Gallery plugin are affected. The vulnerability exists because user input isn't properly sanitized before being displayed.
💻 Affected Systems
- JNews Gallery 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, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, perform actions on behalf of authenticated users, or display phishing content to visitors.
If Mitigated
With proper input validation and output encoding, malicious scripts would be rendered harmless as text rather than executable code.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited. While no public PoC is mentioned, the vulnerability type is well-understood and easy to weaponize.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 12.0.1
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find JNews Gallery and click 'Update Now'. 4. Verify the plugin version is 12.0.1 or higher.
🔧 Temporary Workarounds
Disable JNews Gallery Plugin
allTemporarily disable the vulnerable plugin until patching is possible
wp plugin deactivate jnews-gallery
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Or add to wp-config.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");
🧯 If You Can't Patch
- Disable the JNews Gallery plugin entirely
- Implement web application firewall (WAF) rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → JNews Gallery version. If version is below 12.0.1, you are vulnerable.Check Version:
wp plugin get jnews-gallery --field=versionVerify Fix Applied:
After updating, verify the plugin shows version 12.0.1 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to gallery-related endpoints
- Suspicious JavaScript payloads in request parameters
- Multiple failed XSS attempts in web server logs
Network Indicators:
- Malicious script tags in HTTP requests to gallery endpoints
- Unexpected external script loads from gallery pages
SIEM Query:
source="web_server_logs" AND (uri_path="*gallery*" OR uri_path="*jnews*") AND (http_method="POST" OR http_method="PUT") AND (message="*<script>*" OR message="*javascript:*" OR message="*onload=*" OR message="*onerror=*")