CVE-2025-12065

4.4 MEDIUM

📋 TL;DR

The WP Carticon WordPress plugin has a stored XSS vulnerability that allows authenticated administrators to inject malicious scripts into website pages. This affects all versions up to 1.0.0, but only impacts multi-site WordPress installations or sites where unfiltered_html capability is disabled.

💻 Affected Systems

Products:
  • WP Carticon WordPress Plugin
Versions: All versions up to and including 1.0.0
Operating Systems: All
Default Config Vulnerable: ✅ No
Notes: Only affects WordPress multi-site installations OR single-site installations where unfiltered_html capability is disabled for administrators.

⚠️ 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

Administrator account compromise leading to complete site takeover, data theft, or malware distribution to visitors.

🟠

Likely Case

Limited privilege escalation within WordPress, defacement, or cookie/session theft from other administrators.

🟢

If Mitigated

No impact if proper WordPress hardening is implemented or plugin is updated.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: LOW

🎯 Exploit Status

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

Requires administrator-level access to WordPress. Exploitation is straightforward once authenticated.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.0.1 or later

Vendor Advisory: https://wordpress.org/plugins/wp-carticon/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WP Carticon plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched version is available.

wp plugin deactivate wp-carticon

Enable unfiltered_html for Administrators

all

Enable unfiltered_html capability for administrator roles (removes vulnerability condition).

add_filter('user_has_cap', function($allcaps) { $allcaps['unfiltered_html'] = true; return $allcaps; });

🧯 If You Can't Patch

  • Remove administrator access from untrusted users.
  • Implement web application firewall with XSS protection rules.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for WP Carticon version 1.0.0 or earlier.

Check Version:

wp plugin get wp-carticon --field=version

Verify Fix Applied:

Verify WP Carticon plugin version is 1.0.1 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to wp-admin containing carticon_js_script parameter with script tags
  • Administrator users modifying plugin settings unexpectedly

Network Indicators:

  • Injected script payloads in HTTP responses from WordPress pages

SIEM Query:

source="wordpress.log" AND "carticon_js_script" AND ("<script>" OR "javascript:")

🔗 References

📤 Share & Export