CVE-2026-78265

WordPress The Events Calendar plugin <= 6.17.2 - PHP Object Injection vulnerability

Published Aug 24, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
Unauthenticated PHP Object Injection in The Events Calendar <= 6.17.2 versions.

Remediation

Vendor Solution

Update the WordPress The Events Calendar Plugin to the latest available version (at least 6.17.3).

Tracking

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Advisories

No advisories available
History
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 Unauthenticated PHP Object Injection in The Events Calendar <= 6.17.2 versions.
Title WordPress The Events Calendar plugin <= 6.17.2 - 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'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Aug 25, 2026, 2:40 PM
Reserved
Aug 24, 2026, 7:37 AM
Status
Deferred
Published
Aug 24, 2026, 10:17 PM
Modified
Oct 12, 2026, 3:10 PM