CVE-2025-39512

4.3 MEDIUM

📋 TL;DR

This Cross-Site Request Forgery (CSRF) vulnerability in the Yuya Hoshino Bulk Term Editor WordPress plugin allows attackers to trick authenticated administrators into performing unintended actions. It affects WordPress sites using this plugin, potentially allowing unauthorized term modifications. The vulnerability exists in versions up to and including 1.1.4.

💻 Affected Systems

Products:
  • Yuya Hoshino Bulk Term Editor WordPress Plugin
Versions: n/a through 1.1.4
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the vulnerable plugin enabled. Requires an authenticated administrator to be tricked into performing actions.

⚠️ 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

An attacker could trick an authenticated administrator into modifying, deleting, or creating taxonomy terms (categories, tags) without their knowledge, potentially disrupting site organization and SEO.

🟠

Likely Case

Attackers could modify taxonomy terms to insert malicious content, redirect links, or disrupt site categorization, requiring an administrator to be tricked into visiting a malicious page while authenticated.

🟢

If Mitigated

With proper CSRF protections implemented, no unauthorized actions can be performed even if administrators visit malicious pages.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: LOW

🎯 Exploit Status

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

CSRF attacks typically require social engineering to trick authenticated users. No authentication bypass is involved.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions after 1.1.4

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/bulk-term-editor/vulnerability/wordpress-bulk-term-editor-1-1-4-cross-site-request-forgery-csrf-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Bulk Term Editor'. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate bulk-term-editor

Implement CSRF Protection

all

Add custom CSRF tokens to plugin functionality

🧯 If You Can't Patch

  • Restrict plugin access to trusted administrators only
  • Implement web application firewall with CSRF protection rules

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Bulk Term Editor version. If version is 1.1.4 or earlier, you are vulnerable.

Check Version:

wp plugin get bulk-term-editor --field=version

Verify Fix Applied:

Verify plugin version is higher than 1.1.4. Test CSRF protection by attempting to submit form without proper tokens.

📡 Detection & Monitoring

Log Indicators:

  • Unexpected term modifications in WordPress logs
  • Multiple term changes from single user session

Network Indicators:

  • POST requests to bulk term editor endpoints without referrer validation
  • Cross-origin requests to admin-ajax.php with term actions

SIEM Query:

source="wordpress.log" AND "term edited" AND user_role="administrator" AND referrer NOT CONTAINS own_domain

🔗 References

📤 Share & Export