CVE-2025-54721
📋 TL;DR
This Cross-Site Scripting (XSS) vulnerability in the ThimPress Resca WordPress theme allows attackers to inject malicious scripts into web pages that are then executed in victims' browsers. It affects all WordPress sites using the Resca theme up to version 3.0.2. Attackers can exploit this to steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- ThimPress Resca WordPress Theme
⚠️ 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 WordPress site, install backdoors, deface the site, or steal sensitive user data.
Likely Case
Attackers steal user session cookies, redirect visitors to malicious sites, or perform limited actions within the victim's browser context.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users' browsers.
🎯 Exploit Status
Reflected XSS vulnerabilities are commonly exploited and require minimal technical skill. The Patchstack reference provides technical details.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 3.0.3 or later
Vendor Advisory: https://patchstack.com/database/Wordpress/Theme/resca/vulnerability/wordpress-resca-theme-3-0-2-cross-site-scripting-xss-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Check if Resca theme update is available. 4. Click 'Update Now' for Resca theme. 5. Clear any caching plugins/CDN caches.
🔧 Temporary Workarounds
Disable Resca Theme
allTemporarily switch to a different WordPress theme until patch is applied.
Web Application Firewall (WAF)
allConfigure WAF rules to block XSS payloads targeting the vulnerable endpoint.
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Deploy a web application firewall with XSS protection rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Appearance > Themes > Resca theme details for version number. If version is 3.0.2 or lower, you are vulnerable.
Check Version:
wp theme list --field=name,status,version | grep resca
Verify Fix Applied:
After updating, verify Resca theme version shows 3.0.3 or higher in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests with script tags or JavaScript payloads in URL parameters
- Multiple failed XSS attempts from same IP
Network Indicators:
- HTTP requests containing <script>, javascript:, or encoded XSS payloads in query strings
SIEM Query:
source="web_server_logs" AND ("<script" OR "javascript:" OR "%3Cscript" OR "onerror=" OR "onload=") AND uri_path="*resca*"