CVE-2025-9808

5.3 MEDIUM

📋 TL;DR

The Events Calendar WordPress plugin versions up to 6.15.2 expose information about password-protected vendors or venues through a REST endpoint vulnerability. Unauthenticated attackers can extract sensitive details that should be protected. All WordPress sites using vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:
  • The Events Calendar WordPress plugin
Versions: All versions up to and including 6.15.2
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All installations with the vulnerable plugin version are affected regardless of configuration.

⚠️ 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 map all password-protected vendors/venues, potentially identifying high-value targets for further attacks or gathering intelligence for social engineering.

🟠

Likely Case

Information disclosure about protected vendors/venues including names, descriptions, and metadata that should remain private.

🟢

If Mitigated

Limited exposure of non-critical metadata with proper access controls and monitoring in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

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

Exploitation requires no authentication and minimal technical skill.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 6.15.3 or later

Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3359403/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'The Events Calendar' plugin. 4. Click 'Update Now' if available. 5. Alternatively, download version 6.15.3+ from WordPress.org and manually update.

🔧 Temporary Workarounds

Disable REST endpoint access

all

Restrict access to the vulnerable REST endpoint using web application firewall rules or .htaccess restrictions.

# Example .htaccess rule to block specific endpoint
RewriteEngine On
RewriteRule ^wp-json/tribe/events/v1/venues.*$ - [F,L]

🧯 If You Can't Patch

  • Temporarily disable The Events Calendar plugin until patched
  • Implement IP-based restrictions to limit access to the WordPress REST API

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → The Events Calendar version number. If version is 6.15.2 or lower, you are vulnerable.

Check Version:

wp plugin list --name='the-events-calendar' --field=version

Verify Fix Applied:

Confirm plugin version is 6.15.3 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Multiple 200 OK responses to /wp-json/tribe/events/v1/venues or similar endpoints from unauthenticated users
  • Unusual spike in REST API requests to events endpoints

Network Indicators:

  • HTTP GET requests to /wp-json/tribe/events/v1/venues* from unauthenticated sources
  • Pattern of enumeration requests to protected resource endpoints

SIEM Query:

source="web_logs" AND (uri_path="/wp-json/tribe/events/v1/venues" OR uri_path="/wp-json/tribe/events/v1/organizers") AND http_status=200 AND NOT authenticated_user EXISTS

🔗 References

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