Authorization Bypass Vulnerability in EventPrime Event Calendar Management by EventPrime
CVE-2026-42691

5.4MEDIUM

Key Information:

Vendor

WordPress
Status
Eventprime
Vendor
CVE Published:
29 October 2026

What is CVE-2026-42691?

The EventPrime Event Calendar Management plugin presents an authorization bypass vulnerability that enables privilege abuse through user-controlled access mechanisms. This vulnerability affects versions from n/a up to 4.3.6.0, allowing unauthorized users to potentially gain access to restricted functionalities, undermining the integrity of user privileges and application security. It is recommended to update to the latest version and implement necessary security measures to mitigate this risk.

Affected Version(s)

EventPrime 0 <= 4.3.6.0

References

https://patchstack.com/database/wordpress/plugin/eventpri...
vdb-entry

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Peter Tang | Patchstack Bug Bounty Program
.