CVE-2026-24380

8.8 HIGH

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in the EventPrime WordPress plugin that allows attackers to bypass access controls. It affects all EventPrime installations from unknown earlier versions through version 4.2.8.0, potentially enabling unauthorized access to restricted functionality.

💻 Affected Systems

Products:
  • Metagauss EventPrime eventprime-event-calendar-management
Versions: from n/a through <= 4.2.8.0
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations using the vulnerable EventPrime plugin versions. The vulnerability exists in the plugin's access control implementation.

⚠️ 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

Attackers could modify or delete events, access sensitive attendee data, manipulate event settings, or perform administrative actions without proper authorization.

🟠

Likely Case

Unauthorized users accessing or modifying event content they shouldn't have permissions for, potentially disrupting event management operations.

🟢

If Mitigated

With proper access controls and authentication mechanisms in place, only authorized users can perform actions according to their role permissions.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires understanding of the plugin's API endpoints and access control mechanisms. Attackers need some level of access to the WordPress site.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions after 4.2.8.0

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/eventprime-event-calendar-management/vulnerability/wordpress-eventprime-plugin-4-2-8-0-broken-access-control-vulnerability?_s_id=cve

Restart Required: No

Instructions:

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

🔧 Temporary Workarounds

Temporary Plugin Deactivation

all

Disable the EventPrime plugin until patched to prevent exploitation

wp plugin deactivate eventprime-event-calendar-management

Access Restriction via Web Application Firewall

all

Configure WAF rules to restrict access to EventPrime API endpoints

🧯 If You Can't Patch

  • Implement strict network access controls to limit who can access the WordPress admin interface
  • Enable detailed logging and monitoring of EventPrime plugin activities for suspicious access patterns

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → EventPrime version. If version is 4.2.8.0 or earlier, system is vulnerable.

Check Version:

wp plugin get eventprime-event-calendar-management --field=version

Verify Fix Applied:

Verify EventPrime plugin version is higher than 4.2.8.0 in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to EventPrime API endpoints
  • Unexpected event modifications by non-admin users
  • Access to restricted event management functions from unauthorized IPs

Network Indicators:

  • Unusual API calls to /wp-json/eventprime/ endpoints from unauthorized sources
  • HTTP requests bypassing authentication to event management functions

SIEM Query:

source="wordpress.log" AND ("eventprime" OR "ep-ajax") AND (status=200 OR status=302) AND user_role!="administrator"

🔗 References

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