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CVE-2026-42691— WordPress EventPrime plugin <= 4.3.6.0 - Broken Access Control vulnerability

Quick assessment

Affected
EventPrime EventPrime
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

EventPrime 中的“通过用户控制密钥绕过授权”漏洞：在 EventPrime 的 eventprime-event-calendar-management 组件中，该漏洞可导致权限滥用。受影响版本为：EventPrime，从未知版本（n/a）至 4.3.6.0。

CVSS 5.4 · Medium

Possible ATT&CK Techniques 1 AI

T1548.001 · Setuid and Setgid
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I. Basic Information for CVE-2026-42691

Vulnerability Information
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Vulnerability Title
WordPress EventPrime plugin <= 4.3.6.0 - Broken Access Control vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
EventPrime EventPrime 0 ~ 4.3.6.0 -

II. Public POCs for CVE-2026-42691

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III. Intelligence Information for CVE-2026-42691

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Other References for CVE-2026-42691 (1)

IV. Related Vulnerabilities

Same product: EventPrime
Same vendor: EventPrime
Same weakness: CWE-639