CVE-2025-12076
📋 TL;DR
The Social Media Auto Publish WordPress plugin contains a reflected cross-site scripting vulnerability via the PostMessage parameter. Unauthenticated attackers can inject malicious scripts that execute when users click specially crafted links, potentially affecting all WordPress sites using vulnerable plugin versions.
💻 Affected Systems
- Social Media Auto Publish 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 steal administrator session cookies, perform actions as authenticated users, redirect to malicious sites, or install backdoors on the WordPress site.
Likely Case
Attackers would typically use this to steal user session cookies or credentials through phishing-style attacks, potentially gaining unauthorized access to WordPress admin panels.
If Mitigated
With proper Content Security Policy headers and user awareness training, impact is limited to individual user sessions rather than full site compromise.
🎯 Exploit Status
Exploitation requires user interaction (clicking a malicious link) but is technically simple. Public proof-of-concept exists in vulnerability reports.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.6.6 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Social Media Auto Publish' and click 'Update Now'. 4. Verify version is 3.6.6 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate social-media-auto-publish
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self'";
🧯 If You Can't Patch
- Disable the Social Media Auto Publish plugin immediately
- Implement web application firewall rules to block malicious PostMessage parameter payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins → Social Media Auto Publish versionCheck Version:
wp plugin get social-media-auto-publish --field=versionVerify Fix Applied:
Verify plugin version is 3.6.6 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests with JavaScript payloads in parameters
- Multiple failed login attempts following suspicious link clicks
Network Indicators:
- Outbound connections to unknown domains following PostMessage parameter requests
SIEM Query:
source="wordpress.log" AND ("PostMessage" OR "social-media-auto-publish") AND ("script" OR "javascript" OR "alert" OR "onload")