CVE-2025-22791

7.1 HIGH

📋 TL;DR

This vulnerability allows attackers to inject malicious scripts into web pages generated by the Offset Writing WordPress theme. When users visit a specially crafted URL, the scripts execute in their browsers, potentially stealing credentials or session cookies. All WordPress sites using Offset Writing theme versions up to 1.2 are affected.

💻 Affected Systems

Products:
  • WordPress Offset Writing Theme
Versions: All versions up to and including 1.2
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the Offset Writing theme active. The vulnerability is in the theme code itself.

⚠️ 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 could steal administrator credentials, hijack user sessions, deface websites, or redirect users to malicious sites, potentially leading to complete site compromise.

🟠

Likely Case

Attackers steal user session cookies or credentials through phishing links, leading to unauthorized access to user accounts and potential data theft.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts are neutralized before reaching users, preventing any exploitation.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Reflected XSS vulnerabilities are commonly exploited through phishing emails or malicious links. No authentication required to trigger the vulnerability.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 1.3 or later

Vendor Advisory: https://patchstack.com/database/wordpress/theme/offset-writing/vulnerability/wordpress-offset-writing-theme-1-2-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Find Offset Writing theme. 4. Click 'Update Now' if update available. 5. If no update available, download version 1.3+ from WordPress repository. 6. Upload and activate the new version.

🔧 Temporary Workarounds

Disable Offset Writing Theme

all

Switch to a different WordPress theme until patch can be applied

Web Application Firewall (WAF)

all

Configure WAF rules to block XSS payloads targeting this theme

🧯 If You Can't Patch

  • Implement Content Security Policy (CSP) headers to restrict script execution
  • Use browser security extensions that block reflected XSS attacks

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Appearance > Themes > Offset Writing theme version. If version is 1.2 or lower, you are vulnerable.

Check Version:

wp theme list --field=name,version | grep 'offset-writing'

Verify Fix Applied:

After updating, verify theme version shows 1.3 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual GET requests with script tags or JavaScript in query parameters
  • Multiple failed login attempts from unexpected locations after suspicious links

Network Indicators:

  • HTTP requests containing <script> tags or JavaScript in URL parameters
  • Outbound connections to suspicious domains after visiting theme pages

SIEM Query:

source="wordpress.log" AND ("offset-writing" OR "theme") AND (url="*<script>*" OR url="*javascript:*" OR url="*onload=*" OR url="*onerror=*")

🔗 References

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