CVE-2026-42691 PUBLISHED

WordPress EventPrime plugin <= 4.3.6.0 - Broken Access Control vulnerability

Assigner: Patchstack
Reserved: 29.04.2026 Published: 29.10.2026 Updated: 29.10.2026

Authorization Bypass Through User-Controlled Key vulnerability in EventPrime EventPrime eventprime-event-calendar-management allows Privilege Abuse.This issue affects EventPrime: from n/a through 4.3.6.0.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CVSS Score: 5.4

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	Low

CVSS 3.1

Product Status

Vendor	EventPrime
Product	EventPrime
Versions	Default: unaffected affected from 0 to 4.3.6.0 (incl.)

Solutions

Update the WordPress EventPrime plugin to the latest available version (at least 4.3.6.1).

Credits

Peter Tang | Patchstack Bug Bounty Program finder

References

https://patchstack.com/database/wordpress/plugin/eventprime-event-calendar-management/vulnerability/wordpress-eventprime-plugin-4-3-6-0-broken-access-control-vulnerability?_s_id=cve

Problem Types

Authorization Bypass Through User-Controlled Key CWE

Impacts

Privilege Abuse