CVE-2024-11874
📋 TL;DR
The Grid Accordion Lite WordPress plugin has a stored XSS vulnerability in all versions up to 1.5.1. Authenticated attackers with contributor-level access or higher can inject malicious scripts via the 'grid_accordion' shortcode, which execute when users view affected pages. This affects all WordPress sites using vulnerable versions of this plugin.
💻 Affected Systems
- Grid Accordion Lite WordPress 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
Attackers could steal admin credentials, redirect users to malicious sites, deface websites, or install backdoors for persistent access.
Likely Case
Attackers inject malicious scripts to steal user session cookies, redirect to phishing pages, or display unwanted content.
If Mitigated
With proper user role management and content review, impact is limited to potential content defacement from trusted users.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once attacker has contributor privileges.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check WordPress plugin repository for version >1.5.1
Vendor Advisory: https://plugins.trac.wordpress.org/browser/grid-accordion-lite
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Grid Accordion Lite. 4. Click 'Update Now' if available. 5. If no update, deactivate and delete plugin, then install latest version from repository.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily deactivate Grid Accordion Lite plugin to prevent exploitation
wp plugin deactivate grid-accordion-lite
Restrict User Roles
allLimit contributor-level access to trusted users only
🧯 If You Can't Patch
- Implement strict content review process for all posts/pages from contributors
- Add web application firewall rules to block XSS payloads in shortcode attributes
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Grid Accordion Lite version. If version ≤1.5.1, you are vulnerable.
Check Version:
wp plugin get grid-accordion-lite --field=version
Verify Fix Applied:
After update, verify plugin version >1.5.1 in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual shortcode usage in posts/pages
- Multiple failed login attempts followed by contributor account activity
- Posts containing suspicious script tags or encoded payloads
Network Indicators:
- Outbound connections to suspicious domains from your WordPress site
- Unexpected JavaScript execution in page responses
SIEM Query:
source="wordpress" AND (event="post_created" OR event="post_updated") AND (shortcode="grid_accordion" AND (content CONTAINS "<script>" OR content CONTAINS "javascript:"))
🔗 References
- https://plugins.trac.wordpress.org/browser/grid-accordion-lite/tags/1.5.1/public/class-accordion-renderer.php#L172
- https://plugins.trac.wordpress.org/browser/grid-accordion-lite/tags/1.5.1/public/class-grid-accordion.php#L310
- https://plugins.trac.wordpress.org/browser/grid-accordion-lite/tags/1.5.1/public/class-grid-accordion.php#L445
- https://plugins.trac.wordpress.org/browser/grid-accordion-lite/tags/1.5.1/public/class-grid-accordion.php#L98
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7fc20069-5c1d-481a-b0fd-6f29ed6b41ee?source=cve