CVE-2025-4796
📋 TL;DR
The Eventin WordPress plugin has a privilege escalation vulnerability that allows attackers with contributor-level permissions or higher to change any user's email address, including administrators. This enables account takeover by using password reset functionality. All WordPress sites using Eventin plugin versions up to 4.0.34 are affected.
💻 Affected Systems
- Eventin WordPress Plugin
📦 What is this software?
Eventin by Themewinter
⚠️ Risk & Real-World Impact
Worst Case
Complete site compromise with administrative account takeover, leading to data theft, defacement, malware injection, or ransomware deployment.
Likely Case
Administrative account takeover leading to unauthorized content changes, plugin/theme installation, or data exfiltration.
If Mitigated
Limited impact if strong access controls, monitoring, and least privilege principles are implemented.
🎯 Exploit Status
Exploitation requires contributor-level access or higher. Attack chain involves email change followed by password reset.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.0.35 or later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3336972/wp-event-solution/trunk/core/speaker/Api/SpeakerController.php#file0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Eventin plugin. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Eventin Plugin
allTemporarily deactivate the vulnerable plugin until patched.
wp plugin deactivate wp-event-solution
Restrict User Registration
allDisable new user registration to prevent attacker account creation.
wp option update users_can_register 0
🧯 If You Can't Patch
- Remove contributor-level permissions from untrusted users
- Implement web application firewall rules to block suspicious API requests to speaker endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Eventin → Version number. If version is 4.0.34 or lower, system is vulnerable.Check Version:
wp plugin get wp-event-solution --field=versionVerify Fix Applied:
Verify Eventin plugin version is 4.0.35 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-json/eventin/v1/speaker/* endpoints
- Multiple failed password reset attempts for administrative accounts
- User email changes from non-admin accounts
Network Indicators:
- HTTP POST requests to speaker API endpoints from unauthorized IPs
- Unusual patterns in password reset email traffic
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-json/eventin/v1/speaker" OR event="email_changed")🔗 References
- https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.0.28/core/speaker/Api/SpeakerController.php#L419
- https://plugins.trac.wordpress.org/changeset/3336972/wp-event-solution/trunk/core/speaker/Api/SpeakerController.php#file0
- https://www.wordfence.com/threat-intel/vulnerabilities/id/9e0d441d-1da5-45e7-8a14-ce178099c0cc?source=cve
