CVE-2025-63075

6.5 MEDIUM

📋 TL;DR

This DOM-based Cross-Site Scripting (XSS) vulnerability in the Betheme WordPress theme allows attackers to inject malicious scripts into web pages viewed by other users. It affects all WordPress sites using Betheme versions up to and including 28.1.7. Attackers can potentially steal session cookies, redirect users, or perform actions on their behalf.

💻 Affected Systems

Products:
  • WordPress Betheme Theme
Versions: All versions through 28.1.7
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations using the Betheme theme. Vulnerability is present in default theme configuration.

⚠️ 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 user's context.

🟢

If Mitigated

With proper Content Security Policy (CSP) headers and input validation, impact is limited to the specific vulnerable component only.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

DOM-based XSS typically requires user interaction (clicking a malicious link) but can be exploited without authentication.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 28.1.8 or later

Vendor Advisory: https://patchstack.com/database/Wordpress/Theme/betheme/vulnerability/wordpress-betheme-theme-28-1-7-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 for Betheme theme updates. 4. Update to version 28.1.8 or later. 5. Clear any caching plugins/CDN caches.

🔧 Temporary Workarounds

Implement Content Security Policy

all

Add 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'");

Disable Theme Temporarily

all

Switch to default WordPress theme until patched

wp theme activate twentytwentyfour
Or via WordPress admin: Appearance > Themes > Activate default theme

🧯 If You Can't Patch

  • Implement strict Content Security Policy headers
  • Use Web Application Firewall (WAF) with XSS protection rules

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel: Appearance > Themes, verify Betheme version is 28.1.7 or earlier

Check Version:

wp theme list --field=name,version | grep betheme

Verify Fix Applied:

Confirm Betheme theme version is 28.1.8 or later in WordPress admin

📡 Detection & Monitoring

Log Indicators:

  • Unusual JavaScript in URL parameters
  • Multiple requests with script tags in query strings
  • Referrer headers containing malicious scripts

Network Indicators:

  • HTTP requests with JavaScript in query parameters
  • Unusual redirects to external domains

SIEM Query:

source="web_logs" AND (url="*<script>*" OR url="*javascript:*" OR referer="*<script>*")

🔗 References

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