CVE-2025-54721

7.1 HIGH

📋 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

Products:
  • ThimPress Resca WordPress Theme
Versions: All versions up to and including 3.0.2
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the Resca theme active. The vulnerability is in the theme itself, not WordPress core.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. 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.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

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

all

Temporarily switch to a different WordPress theme until patch is applied.

Web Application Firewall (WAF)

all

Configure 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*"

🔗 References

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