CVE-2025-57950

5.9 MEDIUM

📋 TL;DR

This stored cross-site scripting (XSS) vulnerability in the WordPress Plugin Security Scanner allows attackers to inject malicious scripts that execute when other users view affected pages. WordPress sites using vulnerable versions of this plugin are affected, potentially compromising user sessions and site integrity.

💻 Affected Systems

Products:
  • WordPress Plugin Security Scanner
Versions: n/a through 2.0.2
Operating Systems: All platforms 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 administrator credentials, deface websites, redirect users to malicious sites, or install backdoors for persistent access.

🟠

Likely Case

Session hijacking, cookie theft, or displaying malicious content to users visiting affected pages.

🟢

If Mitigated

Limited impact with proper content security policies, input validation, and user session protections in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires attacker to have ability to inject malicious payload into plugin functionality that persists and executes for other users.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 2.0.2

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/plugin-security-scanner/vulnerability/wordpress-plugin-security-scanner-plugin-2-0-2-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 'Plugin Security Scanner'. 4. Click 'Update Now' if available. 5. If no update available, deactivate and delete the plugin, then install latest version from WordPress repository.

🔧 Temporary Workarounds

Disable Plugin

WordPress

Temporarily disable the vulnerable plugin until patched version is available

wp plugin deactivate plugin-security-scanner

🧯 If You Can't Patch

  • Implement Content Security Policy (CSP) headers to restrict script execution
  • Enable WordPress security plugins with XSS protection features

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for Plugin Security Scanner version 2.0.2 or earlier

Check Version:

wp plugin get plugin-security-scanner --field=version

Verify Fix Applied:

Verify plugin version is higher than 2.0.2 in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to plugin endpoints
  • Suspicious script tags in plugin-related database entries

Network Indicators:

  • Malicious script payloads in HTTP requests to plugin functionality

SIEM Query:

source="wordpress" AND (plugin="security-scanner" OR uri_path="/wp-content/plugins/plugin-security-scanner/") AND (http_method="POST" OR contains(message, "<script>"))

🔗 References

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