CVE-2025-23554

7.1 HIGH

📋 TL;DR

This reflected cross-site scripting (XSS) vulnerability in the Off Page SEO WordPress plugin allows attackers to inject malicious scripts into web pages. When users visit specially crafted URLs containing malicious input, their browsers execute attacker-controlled JavaScript. This affects all WordPress sites running Off Page SEO plugin versions up to and including 3.0.3.

💻 Affected Systems

Products:
  • Off Page SEO WordPress Plugin
Versions: n/a through 3.0.3
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with vulnerable plugin versions are affected regardless of 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 could steal session cookies, perform actions as authenticated users, redirect to malicious sites, or install malware on visitor browsers.

🟠

Likely Case

Attackers craft phishing links that appear legitimate but execute malicious JavaScript when clicked, potentially stealing user credentials or session tokens.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts would be neutralized before reaching user 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 via phishing or malicious links.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions after 3.0.3

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/off-page-seo/vulnerability/wordpress-off-page-seo-plugin-3-0-3-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Off Page SEO' and click 'Update Now'. 4. Verify update to version after 3.0.3.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate off-page-seo

Web Application Firewall

all

Implement WAF rules to block XSS payloads

🧯 If You Can't Patch

  • Implement Content Security Policy (CSP) headers to restrict script execution
  • Use browser security features like HttpOnly cookies and SameSite attributes

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Off Page SEO → Version number. If version is 3.0.3 or earlier, you are vulnerable.

Check Version:

wp plugin get off-page-seo --field=version

Verify Fix Applied:

After updating, verify plugin version is higher than 3.0.3 and test with known XSS payloads.

📡 Detection & Monitoring

Log Indicators:

  • Unusual GET/POST requests containing script tags or JavaScript code
  • Requests to plugin-specific endpoints with suspicious parameters

Network Indicators:

  • HTTP requests containing <script>, javascript:, or other XSS payloads in query parameters

SIEM Query:

source="web_access" AND (uri="*<script>*" OR uri="*javascript:*" OR uri="*onerror=*" OR uri="*onload=*")

🔗 References

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