CVE-2025-68979
📋 TL;DR
This CVE describes an Insecure Direct Object Reference (IDOR) vulnerability in the Google Calendar Events WordPress plugin. Attackers can bypass authorization by manipulating user-controlled keys to access calendar events they shouldn't have permission to view. This affects all WordPress sites using vulnerable versions of the plugin.
💻 Affected Systems
- Google Calendar Events 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
Complete compromise of all calendar data including private events, confidential meeting details, and potentially sensitive organizational information exposed to unauthorized users.
Likely Case
Unauthorized access to private calendar events, exposure of confidential meeting details, and potential data leakage of sensitive organizational information.
If Mitigated
Limited exposure if proper access controls and authentication mechanisms are already in place, but still represents a significant authorization flaw.
🎯 Exploit Status
Exploitation requires some level of access but is technically simple once an attacker discovers vulnerable endpoints.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.6.0 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Google Calendar Events'. 4. Click 'Update Now' if available. 5. Alternatively, download version 3.6.0+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patching is possible
wp plugin deactivate google-calendar-events
Restrict Access
allImplement web application firewall rules to block suspicious calendar API requests
🧯 If You Can't Patch
- Implement strict access controls at the web server level to restrict calendar API endpoints
- Enable detailed logging of all calendar access attempts and monitor for unauthorized patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Google Calendar Events → Version number. If version is 3.5.9 or lower, you are vulnerable.Check Version:
wp plugin get google-calendar-events --field=versionVerify Fix Applied:
After updating, verify version shows 3.6.0 or higher in WordPress plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual pattern of calendar event ID requests
- Access to calendar endpoints from unauthorized users
- Sequential or brute-force style ID enumeration
Network Indicators:
- Unusual volume of requests to /wp-content/plugins/google-calendar-events/ endpoints
- Patterns of incremental ID parameter manipulation
SIEM Query:
source="wordpress.log" AND ("google-calendar-events" OR "calendar-events") AND (status=200 OR status=403) | stats count by src_ip, uri