CVE-2024-43243

10.0 CRITICAL

📋 TL;DR

This vulnerability allows attackers to upload arbitrary files, including web shells, to WordPress servers running the vulnerable JobBoard Job Listing plugin. This can lead to complete server compromise. All WordPress sites using JobBoard Job Listing plugin versions up to 1.2.6 are affected.

💻 Affected Systems

Products:
  • JobBoard Job Listing WordPress plugin
Versions: n/a through 1.2.6
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all WordPress installations with the vulnerable plugin enabled.

⚠️ 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 remote code execution, data theft, and website defacement.

🟠

Likely Case

Web shell upload leading to backdoor access, data exfiltration, and lateral movement within the server.

🟢

If Mitigated

File upload attempts blocked, but attackers may still attempt exploitation.

🌐 Internet-Facing: HIGH - WordPress sites are typically internet-facing, making them directly accessible to attackers.
🏢 Internal Only: LOW - This primarily affects internet-facing web applications.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Simple file upload exploitation with publicly available proof-of-concept.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.2.7 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/job-board-light/vulnerability/wordpress-jobboard-job-listing-plugin-1-2-6-arbitrary-file-upload-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Find JobBoard Job Listing plugin. 4. Update to version 1.2.7 or later. 5. Verify update completed successfully.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily disable the JobBoard Job Listing plugin until patched.

wp plugin deactivate job-board-light

Restrict file uploads via .htaccess

linux

Block execution of uploaded files in upload directories.

Add to .htaccess in wp-content/uploads: <Files *.php> deny from all </Files>

🧯 If You Can't Patch

  • Remove the JobBoard Job Listing plugin completely
  • Implement web application firewall rules to block file uploads to vulnerable endpoints

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > JobBoard Job Listing for version 1.2.6 or earlier.

Check Version:

wp plugin get job-board-light --field=version

Verify Fix Applied:

Confirm plugin version is 1.2.7 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual file uploads to wp-content/uploads, especially .php files
  • POST requests to job listing upload endpoints with suspicious filenames

Network Indicators:

  • HTTP POST requests with file uploads to job listing endpoints
  • Subsequent requests to uploaded .php files

SIEM Query:

source="web_logs" AND (uri_path="/wp-content/uploads/*.php" OR (method="POST" AND uri_path CONTAINS "job" AND user_agent CONTAINS "curl" OR "wget"))

🔗 References

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