CVE-2025-11841
📋 TL;DR
This vulnerability allows authenticated WordPress users with Contributor-level access or higher to inject malicious scripts into pages using the Greenshift plugin's Chart Data feature. The scripts are stored and execute whenever users view the compromised pages, potentially affecting all visitors to those pages.
💻 Affected Systems
- Greenshift – animation and page builder blocks plugin for WordPress
⚠️ 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 session cookies, redirect users to malicious sites, perform actions on behalf of users, or deface websites.
Likely Case
Attackers with contributor access inject malicious scripts to steal user data or perform limited actions within the compromised WordPress site.
If Mitigated
With proper input validation and output escaping, the vulnerability is eliminated, preventing script injection entirely.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once an attacker has Contributor privileges.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 12.2.8 or later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3386004/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Greenshift plugin and click 'Update Now'. 4. Verify plugin version is 12.2.8 or higher.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the Greenshift plugin until patched
wp plugin deactivate greenshift-animation-and-page-builder-blocks
Restrict User Roles
allTemporarily remove Contributor role access or limit who can create/edit posts
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) rules to block XSS payloads
- Monitor for suspicious post/page edits and review user activity logs
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Greenshift versionCheck Version:
wp plugin get greenshift-animation-and-page-builder-blocks --field=versionVerify Fix Applied:
Verify Greenshift plugin version is 12.2.8 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual post/page edits by Contributor+ users
- Suspicious script tags in post content
Network Indicators:
- Unexpected external script loads from WordPress pages
SIEM Query:
source="wordpress" AND (event="post_edit" OR event="page_edit") AND user_role IN ("contributor","author","editor","administrator") AND content CONTAINS "<script>"