CVE-2025-39555
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into Church Admin WordPress plugin pages, which execute when other users view those pages. It affects all WordPress sites running Church Admin plugin versions up to 5.0.23. The stored XSS can lead to session hijacking, defacement, or malware distribution.
💻 Affected Systems
- Church Admin 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 credentials, take over the WordPress site, install backdoors, or redirect visitors to malicious sites, potentially compromising the entire church organization's digital presence and member data.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, perform actions as authenticated users, or deface church website pages with malicious content.
If Mitigated
With proper input validation and output encoding, malicious scripts would be rendered harmless as text rather than executable code.
🎯 Exploit Status
XSS vulnerabilities are commonly weaponized. While no public PoC exists, the vulnerability type suggests straightforward exploitation by authenticated attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.0.24 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Church Admin plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download version 5.0.24+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Church Admin Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate church-admin
Implement WAF Rules
allAdd web application firewall rules to block XSS payloads
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Restrict plugin access to trusted users only and monitor for suspicious activity
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Church Admin version. If version is 5.0.23 or earlier, you are vulnerable.Check Version:
wp plugin get church-admin --field=versionVerify Fix Applied:
After updating, verify Church Admin plugin shows version 5.0.24 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to Church Admin endpoints with script tags or JavaScript in parameters
- Multiple failed login attempts followed by successful admin access
Network Indicators:
- Outbound connections to suspicious domains from church website
- Unexpected iframe or script injections in HTTP responses
SIEM Query:
source="wordpress.log" AND "church-admin" AND ("<script>" OR "javascript:" OR "onload=" OR "onerror=")