CVE-2025-50270
📋 TL;DR
A stored cross-site scripting vulnerability in AnQiCMS v3.4.11 allows attackers to inject malicious scripts into the content management system. When users view affected content, the scripts execute in their browsers, potentially stealing session cookies or performing actions on their behalf. This affects all AnQiCMS installations using the vulnerable version.
💻 Affected Systems
- AnQiCMS
⚠️ 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 steal administrator session cookies, gain full control of the CMS, deface websites, or redirect users to malicious sites.
Likely Case
Session hijacking of logged-in users, credential theft, or website defacement through injected content.
If Mitigated
Limited impact if proper input validation and output encoding are implemented, though some user data exposure may still occur.
🎯 Exploit Status
Exploitation requires access to content management features, typically requiring at least contributor-level permissions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Apply workarounds or consider alternative CMS solutions.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement server-side validation and HTML encoding for title, categoryTitle, and tmpTag parameters.
Content Security Policy
allImplement strict CSP headers to prevent script execution from untrusted sources.
Add 'Content-Security-Policy: default-src 'self'; script-src 'self'' to HTTP headers
🧯 If You Can't Patch
- Restrict access to content management features to trusted administrators only
- Implement web application firewall rules to block XSS payloads in the affected parameters
🔍 How to Verify
Check if Vulnerable:
Check if AnQiCMS version is 3.4.11 and test for XSS in title, categoryTitle, and tmpTag parameters.Check Version:
Check CMS configuration files or admin panel for version informationVerify Fix Applied:
Test if script tags in affected parameters are properly sanitized and don't execute in browser.📡 Detection & Monitoring
Log Indicators:
- Unusual content submissions with script tags or JavaScript in title/category fields
- Multiple failed XSS attempts in access logs
Network Indicators:
- HTTP requests containing script tags in title, categoryTitle, or tmpTag parameters
SIEM Query:
source="web_logs" AND (title CONTAINS "<script>" OR categoryTitle CONTAINS "javascript:" OR tmpTag CONTAINS "onerror=")