CVE-2026-95606

WordPress The Events Calendar plugin <= 6.17.4 - PHP Object Injection vulnerability

Published Oct 7, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
Deserialization of Untrusted Data vulnerability in Liquid Web / StellarWP The Events Calendar allows Object Injection.

This issue affects The Events Calendar: from n/a through 6.17.4.

Remediation

Vendor Solution

Update the WordPress The Events Calendar Plugin to the latest available version (at least 6.17.4.1).

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Stellarwp
Stellarwp the Events Calendar
Wordpress-extensions
Wordpress-extensions the Events Calendar
Vendors & Products Stellarwp
Stellarwp the Events Calendar
Wordpress-extensions
Wordpress-extensions the Events Calendar
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Deserialization of Untrusted Data vulnerability in Liquid Web / StellarWP The Events Calendar allows Object Injection. This issue affects The Events Calendar: from n/a through 6.17.4.
Title WordPress The Events Calendar plugin <= 6.17.4 - PHP Object Injection vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Oct 7, 2026, 5:49 PM
Reserved
Sep 22, 2026, 9:18 AM
Status
Deferred
Published
Oct 7, 2026, 5:17 PM
Modified
Oct 8, 2026, 5:24 PM