CVE-2024-7351
📋 TL;DR
The Simple Job Board WordPress plugin is vulnerable to PHP object injection through deserialization of untrusted input when editing job applications. This affects all versions up to 2.12.3 and requires authenticated attackers with Editor-level access or higher. While no known POP chain exists in the vulnerable software itself, if other plugins or themes provide one, exploitation could lead to arbitrary file deletion, data theft, or code execution.
💻 Affected Systems
- Simple Job Board WordPress Plugin
📦 What is this software?
Simple Job Board by Presstigers
⚠️ Risk & Real-World Impact
Worst Case
If a POP chain is present via another plugin/theme, attackers could achieve remote code execution, delete critical files, or exfiltrate sensitive data from the WordPress installation.
Likely Case
Limited impact due to the requirement for Editor-level access and lack of known POP chain in the vulnerable software, potentially resulting in denial of service or limited data manipulation.
If Mitigated
With proper access controls limiting Editor roles and monitoring for suspicious activity, impact is minimal even if exploited.
🎯 Exploit Status
Exploitation requires Editor-level access and depends on availability of POP chain from other installed components. No known public exploits at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 2.12.3
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Simple Job Board plugin. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress plugin repository and manually update.
🔧 Temporary Workarounds
Restrict Editor Role Access
allLimit number of users with Editor role and review permissions regularly
Disable Plugin Temporarily
linuxDeactivate Simple Job Board plugin until patched
wp plugin deactivate simple-job-board
🧯 If You Can't Patch
- Remove Editor role from untrusted users and implement principle of least privilege
- Monitor application logs for suspicious deserialization attempts and implement WAF rules to block PHP object injection patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Simple Job Board → Version number. If version is 2.12.3 or lower, system is vulnerable.Check Version:
wp plugin get simple-job-board --field=versionVerify Fix Applied:
Verify plugin version is higher than 2.12.3 in WordPress admin panel and test job application editing functionality.📡 Detection & Monitoring
Log Indicators:
- Unusual PHP deserialization errors in WordPress debug logs
- Multiple failed authentication attempts followed by successful Editor login
- Suspicious file operations or unexpected PHP execution
Network Indicators:
- POST requests to /wp-admin/admin-ajax.php with serialized data in parameters
- Unusual outbound connections following job application edits
SIEM Query:
source="wordpress.log" AND ("unserialize" OR "PHP Object Injection" OR "Editor role")