CVE-2025-22554

6.5 MEDIUM

📋 TL;DR

This stored cross-site scripting (XSS) vulnerability in the Video Embed Optimizer WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the malicious content, the scripts execute in their browsers, potentially stealing session cookies or performing actions on their behalf. All WordPress sites using Video Embed Optimizer version 1.0.0 or earlier are affected.

💻 Affected Systems

Products:
  • Video Embed Optimizer WordPress Plugin
Versions: n/a through 1.0.0
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the Video Embed Optimizer plugin installed and activated.

⚠️ 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 session cookies, take over WordPress sites, deface websites, or redirect visitors to malicious sites.

🟠

Likely Case

Attackers inject malicious scripts that steal user session cookies or credentials when visitors view compromised pages.

🟢

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: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

XSS vulnerabilities typically have low exploitation complexity once the injection point is identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Not available

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/video-embed-optimizer/vulnerability/wordpress-video-embed-optimizer-plugin-1-0-0-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. Deactivate and delete Video Embed Optimizer plugin
4. Find alternative video embedding solution

🔧 Temporary Workarounds

Input Sanitization Filter

all

Add custom PHP filter to sanitize all Video Embed Optimizer inputs

Add custom sanitization function to theme's functions.php or create a custom plugin

Content Security Policy

all

Implement strict CSP headers to prevent script execution from untrusted sources

Add 'Content-Security-Policy' header via .htaccess or web server configuration

🧯 If You Can't Patch

  • Disable or remove the Video Embed Optimizer plugin immediately
  • Implement web application firewall (WAF) rules to block XSS payloads

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for Video Embed Optimizer version 1.0.0 or earlier

Check Version:

wp plugin list --name=video-embed-optimizer --field=version (if WP-CLI installed)

Verify Fix Applied:

Confirm Video Embed Optimizer plugin is no longer installed or active in WordPress

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to plugin endpoints
  • Suspicious script tags in database content

Network Indicators:

  • Malicious script payloads in HTTP requests
  • Unexpected external resource loads

SIEM Query:

web_requests WHERE url CONTAINS 'video-embed-optimizer' AND (body CONTAINS '<script>' OR body CONTAINS 'javascript:')

🔗 References

📤 Share & Export