CVE-2024-7094

9.8 CRITICAL

📋 TL;DR

This vulnerability allows unauthenticated attackers to execute arbitrary PHP code on WordPress servers running the JS Help Desk plugin. Attackers can achieve full server compromise by exploiting insufficient input sanitization in the 'storeTheme' function. All WordPress sites using JS Help Desk plugin versions up to 2.8.6 are affected.

💻 Affected Systems

Products:
  • JS Help Desk – The Ultimate Help Desk & Support Plugin for WordPress
Versions: All versions up to and including 2.8.6
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All installations with the vulnerable plugin enabled are affected regardless of configuration.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete server takeover with attacker gaining full administrative access, data theft, malware deployment, and persistent backdoor installation.

🟠

Likely Case

Website defacement, data exfiltration, cryptocurrency mining, or ransomware deployment on vulnerable servers.

🟢

If Mitigated

Limited impact with proper network segmentation, but still potential for plugin-level compromise.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The vulnerability requires no authentication and involves simple HTTP requests to trigger code execution.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.8.7

Vendor Advisory: https://plugins.trac.wordpress.org/browser/js-support-ticket/tags/2.8.7

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find 'JS Help Desk' plugin
4. Click 'Update Now' to version 2.8.7 or higher
5. Verify update completes successfully

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily disable the JS Help Desk plugin until patching is possible

wp plugin deactivate js-support-ticket

Web Application Firewall rule

all

Block requests to the vulnerable storeTheme function

Add WAF rule to block POST requests containing 'storeTheme' parameter

🧯 If You Can't Patch

  • Disable the JS Help Desk plugin immediately
  • Implement strict network segmentation to isolate the WordPress server

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → JS Help Desk → Version number. If version is 2.8.6 or lower, system is vulnerable.

Check Version:

wp plugin get js-support-ticket --field=version

Verify Fix Applied:

Verify plugin version is 2.8.7 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to /wp-admin/admin-ajax.php with 'storeTheme' parameter
  • Unexpected PHP file creation/modification in plugin directories
  • Suspicious process execution from web server user

Network Indicators:

  • HTTP requests containing PHP code in parameters
  • Outbound connections from web server to unknown IPs

SIEM Query:

source="web_server_logs" AND (uri="/wp-admin/admin-ajax.php" AND param="storeTheme")

🔗 References

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