PT-2026-27857 · Metagauss · Eventprime

Published 2026-03-25 · Updated 2026-03-30 · CVE-2026-24378

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Metagauss EventPrime versions through 4.2.8.0

Description The software contains a flaw due to deserialization of untrusted data, which allows for object injection. This issue impacts the eventprime-event-calendar-management component.

Recommendations Update EventPrime to a version later than 4.2.8.0.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2026-24378

Affected Products

Eventprime

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-24378 · Security Note
• https://patchstack.com/database/Wordpress/Plugin/eventprime-event-calendar-management/vulnerability/wordpress-eventprime-plugin-4-2-8-0-php-object-injection-vulnerability?_s_id=cve · Note
• https://twitter.com/CVEnew/status/2038618096521372091 · Twitter Post