CVE-2024-52439
📋 TL;DR
This vulnerability allows attackers to inject malicious objects through deserialization of untrusted data in the WordPress Team Rosters plugin. All WordPress sites using Team Rosters plugin versions up to 4.6 are affected, potentially leading to remote code execution.
💻 Affected Systems
- WordPress Team Rosters 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
Remote code execution leading to complete system compromise, data theft, and persistent backdoor installation.
Likely Case
Unauthenticated attackers execute arbitrary code, compromise the WordPress site, and potentially pivot to the underlying server.
If Mitigated
Attackers can still exploit the vulnerability but impact is limited by proper network segmentation and least privilege configurations.
🎯 Exploit Status
Public exploit details available on Patchstack; CVSS 9.8 indicates trivial exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.7 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/team-rosters/wordpress-team-rosters-plugin-4-6-php-object-injection-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Team Rosters plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and remove plugin immediately.
🔧 Temporary Workarounds
Disable Team Rosters Plugin
allTemporarily disable the vulnerable plugin until patched version is available.
wp plugin deactivate team-rosters
Web Application Firewall Rule
allBlock requests containing serialized PHP object patterns.
WAF-specific configuration to block patterns like O:[0-9]+:"[^"]+":
Block requests to /wp-content/plugins/team-rosters/ with suspicious parameters
🧯 If You Can't Patch
- Remove Team Rosters plugin completely from all WordPress installations
- Implement strict network segmentation to isolate WordPress servers from critical assets
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Team Rosters version. If version is 4.6 or lower, you are vulnerable.Check Version:
wp plugin get team-rosters --field=versionVerify Fix Applied:
Verify Team Rosters plugin version is 4.7 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to team-rosters plugin endpoints
- PHP unserialize() errors in web server logs
- Unexpected file creation in wp-content/uploads
Network Indicators:
- HTTP requests containing serialized object patterns (O:8:"stdClass":)
- Traffic to unexpected ports from WordPress server
SIEM Query:
source="web_server" AND (uri_path="*team-rosters*" AND (request_body="*O:[0-9]+:*" OR status_code=500))