CVE-2025-11868
📋 TL;DR
The everviz WordPress plugin up to version 1.1 contains a stored cross-site scripting (XSS) vulnerability in the 'everviz' shortcode attributes. Authenticated attackers with contributor-level access or higher can inject malicious scripts that execute when users view affected pages. This affects WordPress sites using vulnerable versions of the everviz plugin.
💻 Affected Systems
- WordPress everviz 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 credentials, perform session hijacking, deface websites, or redirect users to malicious sites, potentially leading to complete site compromise.
Likely Case
Attackers with contributor access inject malicious scripts to steal user session cookies or credentials, potentially escalating privileges to administrator level.
If Mitigated
With proper user role management and input validation, impact is limited to low-privilege user account compromise.
🎯 Exploit Status
Exploitation requires authenticated access with contributor privileges or higher. The vulnerability is in publicly documented code.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2 or later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset?old_path=/everviz/tags/1.1&old=321456&new_path=/everviz/tags/1.2&new=321457
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'everviz' plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download version 1.2+ from WordPress plugin repository and manually update.
🔧 Temporary Workarounds
Remove Contributor Access
allTemporarily remove contributor-level access from untrusted users until patch is applied.
Disable Plugin
linuxDeactivate the everviz plugin if not essential for site functionality.
wp plugin deactivate everviz
🧯 If You Can't Patch
- Implement strict user role management and limit contributor accounts to trusted users only.
- Add web application firewall (WAF) rules to block XSS payloads in shortcode attributes.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for everviz version. If version is 1.1 or earlier, you are vulnerable.Check Version:
wp plugin list --name=everviz --field=versionVerify Fix Applied:
After updating, verify everviz plugin version shows 1.2 or later in WordPress admin plugins page.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-admin with everviz shortcode parameters containing script tags or JavaScript code
Network Indicators:
- HTTP requests containing malicious script payloads in 'type' or 'hash' parameters
SIEM Query:
source="wordpress.log" AND ("everviz" AND ("<script" OR "javascript:" OR "onerror="))