CVE-2026-22351

HIGH

WP FullCalendar <=1.6 - Auth Bypass

Title source: llm

Description

Missing Authorization vulnerability in Marcus (aka @msykes) WP FullCalendar wp-fullcalendar allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP FullCalendar: from n/a through <= 1.6.

References (1)

Core 1

Core References

Third Party Advisory vdb-entry

https://patchstack.com/database/Wordpress/Plugin/wp-fullcalendar/vulnerability/wordpress-wp-fullcalendar-plugin-1-6-broken-access-control-vulnerability?_s_id=cve

Scores

CVSS v3 7.5

EPSS 0.0029

EPSS Percentile 20.1%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-862

Status published

Products (2)

Marcus (aka @msykes)/WP FullCalendar < 1.6

Marcus (aka @msykes)/WP FullCalendar < <= 1.6

Published Feb 20, 2026

Tracked Since Feb 20, 2026