CVE-2025-2262
📋 TL;DR
This vulnerability allows unauthenticated attackers to execute arbitrary WordPress shortcodes through the Logo Slider plugin. Attackers could inject malicious shortcodes that perform unauthorized actions like content modification, data extraction, or privilege escalation. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Logo Slider – Logo Showcase, Logo Carousel, Logo Gallery and Client Logo Presentation 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
Complete site compromise through shortcode execution leading to remote code execution, data theft, or site defacement
Likely Case
Unauthorized content modification, data extraction, or privilege escalation through malicious shortcode execution
If Mitigated
Limited impact if proper input validation and output escaping are implemented elsewhere
🎯 Exploit Status
Exploitation requires understanding of WordPress shortcodes but no authentication needed
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 3.7.4 or later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3256441/
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find 'Logo Slider' plugin
4. Click 'Update Now' if available
5. If no update available, download version 3.7.4+ from WordPress repository
6. Deactivate old version, upload new version, activate
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the Logo Slider plugin until patched
wp plugin deactivate gs-logo-slider
Restrict access
allUse web application firewall to block requests to vulnerable endpoints
🧯 If You Can't Patch
- Remove plugin entirely and use alternative logo display solution
- Implement strict input validation and output escaping in custom code
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Logo Slider version. If version is 3.7.3 or lower, you are vulnerable.
Check Version:
wp plugin get gs-logo-slider --field=version
Verify Fix Applied:
Verify plugin version is 3.7.4 or higher in WordPress admin panel
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with 'action' parameter containing shortcode execution
- Multiple failed shortcode execution attempts in WordPress debug logs
Network Indicators:
- HTTP requests with malicious shortcode payloads in parameters
- Unusual traffic patterns to plugin-specific endpoints
SIEM Query:
source="wordpress.log" AND ("do_shortcode" OR "gs-logo-slider") AND (status=500 OR "malicious" OR "unauthorized")
🔗 References
- https://plugins.trac.wordpress.org/browser/gs-logo-slider/trunk/includes/shortcode-builder/builder.php#L31
- https://plugins.trac.wordpress.org/browser/gs-logo-slider/trunk/includes/shortcode-builder/builder.php#L51
- https://plugins.trac.wordpress.org/browser/gs-logo-slider/trunk/includes/shortcode-builder/builder.php#L65
- https://plugins.trac.wordpress.org/changeset/3256441/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/3c7cc2d2-8de4-453b-b4dc-48f75b151078?source=cve