CVE-2025-6027

6.3 MEDIUM

📋 TL;DR

The Ace User Management WordPress plugin through version 2.0.3 contains an authentication bypass vulnerability where any authenticated user (including low-privilege subscribers) can reset passwords for arbitrary accounts, including administrators. This affects all WordPress sites running the vulnerable plugin versions. Attackers can gain administrative access and potentially take full control of affected websites.

💻 Affected Systems

Products:
  • Ace User Management WordPress Plugin
Versions: through 2.0.3
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin enabled. Any authenticated user can exploit this vulnerability.

⚠️ 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 takeover where attackers reset administrator passwords, gain full control over the WordPress installation, install backdoors, deface the site, steal sensitive data, or use the compromised server for further attacks.

🟠

Likely Case

Attackers reset administrator or privileged user passwords to gain elevated access, potentially leading to data theft, site defacement, or malware installation.

🟢

If Mitigated

With proper access controls and monitoring, impact is limited to temporary disruption while passwords are reset and accounts are secured.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires authenticated access but is trivial for attackers who can create subscriber accounts or compromise existing low-privilege accounts.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.0.4 or later

Vendor Advisory: https://wpscan.com/vulnerability/06fb8088-10e3-424e-a3ac-4673bac49467/

Restart Required: No

Instructions:

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

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily deactivate the Ace User Management plugin until patched

wp plugin deactivate ace-user-management

Restrict user registration

all

Disable new user registration to prevent attackers from creating accounts

Update WordPress Settings > General: set 'Membership' to 'Anyone can register' to unchecked

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block password reset requests from non-admin users
  • Enable detailed logging of all password reset attempts and monitor for suspicious activity

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for Ace User Management version 2.0.3 or earlier

Check Version:

wp plugin list --name=ace-user-management --field=version

Verify Fix Applied:

Verify plugin version is 2.0.4 or later in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Multiple password reset attempts from same low-privilege user
  • Password reset success logs for admin accounts from non-admin users
  • Unusual user privilege escalation events

Network Indicators:

  • POST requests to /wp-login.php?action=rp or password reset endpoints from unexpected sources

SIEM Query:

source="wordpress.log" AND ("password reset" OR "lostpassword") AND user_role="subscriber" AND target_user_role="administrator"

🔗 References

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