CVE-2026-95606

CRITICAL 9.8

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

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-502
Vendor	liquid web / stellarwp
Product	the events calendar
Published	Oct 7, 2026
Last Updated	Oct 7, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Liquid Web / StellarWP / The Events Calendar

n/a ≤ 6.17.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/the-events-calendar/vulnerability/wordpress-the-events-calendar-plugin-6-17-4-php-object-injection-vulnerability?_s_id=cve

Credits

nakko | Patchstack Bug Bounty Program