CVE-2026-110070: CWE-639 Authorization Bypass Through User-Controlled Key in Modern Events Calendar Lite
Description
The Modern Events Calendar Lite WordPress plugin before 7.36.4 does not verify that a user is authorized to edit the target post before updating it, allowing authenticated users with the Subscriber role to modify the title, content, and excerpt of arbitrary posts, pages, and custom post types created by other users.
CVSS v3.1
Score 6.5medium
Affected software
Modern Events Calendar Lite
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-110070 is an authorization bypass vulnerability (CWE-639) in the Modern Events Calendar Lite WordPress plugin versions prior to 7.36.4. The plugin fails to verify that a user is authorized to edit a target post before allowing updates. This flaw enables authenticated users with minimal privileges (Subscriber role) to modify content of arbitrary posts, pages, and custom post types created by other users, potentially leading to unauthorized content manipulation.
Potential Impact
Authenticated users with the Subscriber role can modify the title, content, and excerpt of posts, pages, and custom post types they do not own. This could lead to unauthorized content changes, defacement, misinformation, or other content integrity issues within the affected WordPress site.
Mitigation Recommendations
Upgrade the Modern Events Calendar Lite plugin to version 7.36.4 or later, where this authorization bypass vulnerability has been fixed. No other mitigation is required once the plugin is updated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-10-13T15:48:21.520Z
- State
- PUBLISHED
Threat ID: 6ad4684e2cdf04f656428a15
Added to database: 10/18/2026, 06:33:50 UTC
Last enriched: 10/18/2026, 06:53:09 UTC
Last updated: 10/18/2026, 19:55:41 UTC
Views: 13
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