CVE-2025-13441

5.3 MEDIUM

📋 TL;DR

The Hide Category by User Role for WooCommerce WordPress plugin has a missing authorization vulnerability that allows unauthenticated attackers to flush the site's object cache. This can degrade website performance by clearing cached data. All WordPress sites using this plugin up to version 2.3.1 are affected.

💻 Affected Systems

Products:
  • Hide Category by User Role for WooCommerce WordPress plugin
Versions: All versions up to and including 2.3.1
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with this specific plugin active.

⚠️ 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

Repeated cache flushing could cause significant performance degradation, increased server load, and potential denial of service for legitimate users.

🟠

Likely Case

Temporary performance degradation and increased server resource usage until cache rebuilds.

🟢

If Mitigated

Minimal impact if proper rate limiting and monitoring are in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

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

Simple HTTP request to trigger admin_init hook without authentication required.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.3.2 or later

Vendor Advisory: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3402760%40hide-category-by-user-role-for-woocommerce&new=3402760%40hide-category-by-user-role-for-woocommerce&sfp_email=&sfph_mail=

Restart Required: No

Instructions:

1. Update plugin to version 2.3.2 or later via WordPress admin panel. 2. Verify update completed successfully. 3. Clear any existing cache if needed.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily deactivate the plugin until patched version is available

wp plugin deactivate hide-category-by-user-role-for-woocommerce

Web Application Firewall rule

all

Block requests to admin_init hook for unauthenticated users

🧯 If You Can't Patch

  • Implement rate limiting on admin endpoints
  • Monitor for unusual cache flush activity and implement alerting

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel for plugin version. If version is 2.3.1 or earlier, system is vulnerable.

Check Version:

wp plugin get hide-category-by-user-role-for-woocommerce --field=version

Verify Fix Applied:

Verify plugin version is 2.3.2 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Multiple wp_cache_flush() calls from unauthenticated IPs
  • Unusual admin_init hook triggers

Network Indicators:

  • HTTP requests to WordPress admin endpoints without authentication

SIEM Query:

source="wordpress.log" AND "wp_cache_flush" AND NOT user_authenticated=true

🔗 References

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