CVE-2025-53312
📋 TL;DR
A Cross-Site Request Forgery (CSRF) vulnerability in the Looks Awesome OnionBuzz WordPress plugin allows attackers to inject malicious scripts that execute when users visit compromised pages. This affects all WordPress sites running OnionBuzz versions up to and including 1.0.7. The CSRF flaw enables stored cross-site scripting (XSS) attacks.
💻 Affected Systems
- Looks Awesome OnionBuzz (WordPress plugin)
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could inject persistent malicious scripts that steal administrator credentials, hijack user sessions, deface websites, or redirect visitors to malicious sites when administrators or users visit compromised pages.
Likely Case
Attackers create fake forms or links that trick authenticated users into submitting malicious requests, leading to stored XSS payloads that affect subsequent visitors to the compromised pages.
If Mitigated
With proper CSRF tokens and input validation, the attack surface is minimized, though outdated versions remain vulnerable until patched.
🎯 Exploit Status
Exploitation requires tricking authenticated users into performing actions, but CSRF-to-XSS chains are well-documented and relatively easy to weaponize.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.8 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'OnionBuzz' and update to version 1.0.8 or later. 4. If update not available, deactivate and delete the plugin, then reinstall from WordPress repository.
🔧 Temporary Workarounds
Implement CSRF Protection Manually
allAdd custom CSRF tokens to OnionBuzz forms if patching is delayed.
Edit plugin PHP files to include nonce verification: wp_nonce_field('onionbuzz_action', 'onionbuzz_nonce'); and wp_verify_nonce($_POST['onionbuzz_nonce'], 'onionbuzz_action');
Disable Plugin
linuxTemporarily deactivate OnionBuzz to prevent exploitation.
wp plugin deactivate onionbuzz-viral-quiz
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block CSRF and XSS patterns targeting OnionBuzz endpoints.
- Restrict plugin access to trusted IP addresses only using .htaccess or server configuration.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for OnionBuzz version. If version is 1.0.7 or lower, it is vulnerable.Check Version:
wp plugin get onionbuzz-viral-quiz --field=versionVerify Fix Applied:
After updating, confirm OnionBuzz version is 1.0.8 or higher in WordPress plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php or OnionBuzz-specific endpoints without referrer headers.
- Multiple failed nonce verifications in WordPress debug logs.
Network Indicators:
- CSRF attack patterns: requests with missing or mismatched Origin/Referer headers targeting plugin endpoints.
SIEM Query:
source="wordpress.log" AND ("onionbuzz" OR "admin-ajax.php") AND ("POST" AND NOT "Referer:")