CVE-2026-1644
📋 TL;DR
The WP Frontend Profile WordPress plugin has a CSRF vulnerability that allows unauthenticated attackers to trick administrators into approving or rejecting user registrations. This affects all versions up to 1.3.8. Attackers can exploit this by getting an admin to click a malicious link.
💻 Affected Systems
- WP Frontend Profile 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
Attackers could approve malicious user accounts or block legitimate registrations, potentially enabling unauthorized access or disrupting legitimate user onboarding.
Likely Case
Attackers create fake accounts with administrative privileges or block legitimate users from registering, compromising site integrity.
If Mitigated
With proper CSRF protections and admin awareness, exploitation would be prevented despite the vulnerability.
🎯 Exploit Status
Exploitation requires social engineering to trick an administrator into clicking a malicious link. No authentication needed for the attacker.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 1.3.8
Restart Required: No
Instructions:
1. Update WP Frontend Profile plugin to latest version via WordPress admin panel. 2. Verify update to version after 1.3.8. 3. No server restart required.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the vulnerable plugin until patched
wp plugin deactivate wp-front-end-profile
🧯 If You Can't Patch
- Implement web application firewall rules to block CSRF attempts
- Educate administrators about phishing risks and require manual user approval
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel for WP Frontend Profile plugin version. If version is 1.3.8 or lower, it's vulnerable.Check Version:
wp plugin get wp-front-end-profile --field=versionVerify Fix Applied:
Verify plugin version is above 1.3.8 in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Multiple user registration approvals/rejections from same IP in short time
- Admin actions without corresponding admin login
Network Indicators:
- HTTP POST requests to wp-admin/admin-ajax.php with 'update_action' parameter from unexpected sources
SIEM Query:
source="wordpress.log" AND "update_action" AND NOT user="admin"🔗 References
- https://plugins.trac.wordpress.org/browser/wp-front-end-profile/tags/1.3.8/functions/wpfep-functions.php#L987
- https://plugins.trac.wordpress.org/browser/wp-front-end-profile/trunk/functions/wpfep-functions.php#L987
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3466608%40wp-front-end-profile&new=3466608%40wp-front-end-profile&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/74b186fd-5825-4a20-829b-6b8a5ddbe853?source=cve
