CVE-2025-2262

7.3 HIGH

📋 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

Products:
  • Logo Slider – Logo Showcase, Logo Carousel, Logo Gallery and Client Logo Presentation WordPress plugin
Versions: All versions up to and including 3.7.3
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with this plugin enabled are vulnerable by default

⚠️ 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 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

🌐 Internet-Facing: HIGH - Unauthenticated exploitation makes all public WordPress sites with this plugin vulnerable
🏢 Internal Only: MEDIUM - Internal sites still vulnerable but attack surface is reduced

🎯 Exploit Status

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

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

all

Temporarily deactivate the Logo Slider plugin until patched

wp plugin deactivate gs-logo-slider

Restrict access

all

Use 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

📤 Share & Export