CVE-2025-3521
📋 TL;DR
This vulnerability allows authenticated WordPress users with Contributor-level access or higher to inject malicious scripts into team member social link fields. The scripts are stored and execute whenever other users view pages containing the injected content, affecting all WordPress sites using vulnerable versions of the Team Members plugin.
💻 Affected Systems
- Team Members – Best WordPress Team Plugin with Team Slider, Team Showcase & Team Builder
⚠️ 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, redirect users to malicious sites, deface websites, or install backdoors for persistent access.
Likely Case
Attackers with contributor accounts inject malicious scripts that steal user session cookies or redirect visitors to phishing pages.
If Mitigated
With proper user access controls and content security policies, impact is limited to potential data leakage from users viewing compromised pages.
🎯 Exploit Status
Exploitation requires authenticated access but is technically simple once an attacker has contributor-level credentials.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.4.1 or later
Vendor Advisory: https://wordpress.org/plugins/wps-team/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Team Members' plugin. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 3.4.1+ from WordPress.org and replace plugin files.
🔧 Temporary Workarounds
Disable Social Link Input
allRemove or disable social link input fields from team member profiles to prevent injection.
Restrict User Roles
allLimit contributor-level access to trusted users only and review existing contributor accounts.
🧯 If You Can't Patch
- Disable the Team Members plugin entirely until patched
- Implement Content Security Policy (CSP) headers to restrict script execution
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'Team Members' plugin version. If version is 3.4.0 or lower, you are vulnerable.Check Version:
wp plugin list --name='Team Members' --field=versionVerify Fix Applied:
After updating, verify plugin version shows 3.4.1 or higher in WordPress admin plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual modifications to team member profiles
- Multiple failed login attempts followed by successful contributor login
Network Indicators:
- Unexpected outbound connections from WordPress site after viewing team pages
SIEM Query:
source="wordpress" AND (event="profile_update" OR event="post_modified") AND user_role="contributor" AND plugin="wps-team"