CVE-2025-52726
📋 TL;DR
This vulnerability in the CouponXxL Custom Post Types WordPress plugin allows attackers to escalate privileges due to incorrect privilege assignment. Attackers can gain administrative access to WordPress sites running vulnerable versions. This affects all WordPress installations using CouponXxL Custom Post Types plugin versions up to 3.0.
💻 Affected Systems
- CouponXxL Custom Post Types 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 takeover where attackers gain full administrative control, can modify content, install malicious plugins/themes, steal sensitive data, and use the site for further attacks.
Likely Case
Attackers gain administrative privileges to modify site content, create backdoor accounts, and potentially compromise the entire WordPress installation.
If Mitigated
Limited impact if proper access controls, monitoring, and least privilege principles are already implemented, though privilege escalation remains possible.
🎯 Exploit Status
Privilege escalation vulnerabilities in WordPress plugins are frequently exploited. While no public PoC is confirmed, similar vulnerabilities are often weaponized quickly.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 3.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'CouponXxL Custom Post Types'. 4. Check if update is available. 5. If update exists, click 'Update Now'. 6. If no update exists, deactivate and remove the plugin immediately.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the CouponXxL Custom Post Types plugin until patched version is available
wp plugin deactivate couponxxl-cpt
Restrict user registration
allDisable user registration and review existing user accounts for unauthorized administrators
wp option update users_can_register 0
🧯 If You Can't Patch
- Immediately deactivate and remove the CouponXxL Custom Post Types plugin from all WordPress installations
- Implement strict access controls, monitor user account changes, and audit all administrative accounts for unauthorized access
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for 'CouponXxL Custom Post Types' version 3.0 or earlierCheck Version:
wp plugin get couponxxl-cpt --field=versionVerify Fix Applied:
Verify plugin is either updated to version after 3.0 or completely removed from the plugins directory📡 Detection & Monitoring
Log Indicators:
- Unexpected user role changes in WordPress logs
- New administrator accounts created unexpectedly
- Plugin activation/deactivation events for CouponXxL CPT
Network Indicators:
- Unusual POST requests to wp-admin/user-new.php or wp-admin/profile.php
- Requests to plugin-specific admin pages from unauthorized users
SIEM Query:
source="wordpress.log" AND ("user_role_changed" OR "new_user_admin" OR "couponxxl-cpt")