CVE-2026-24523

MEDIUM

Marcus WP FullCalendar <1.7 - Info Disclosure

Title source: llm

Description

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Marcus (aka @msykes) WP FullCalendar wp-fullcalendar allows Retrieve Embedded Sensitive Data.This issue affects WP FullCalendar: from n/a through <= 1.6.

References (1)

[Third Party Advisory] https://patchstack.com/database/Wordpress/Plugin/wp-fullcalendar/vulnerability/wordpress-wp-fullcalendar-plugin-1-6-sensitive-data-exposure-vulnerability?_s_id=cve

Scores

CVSS v3 5.3

EPSS 0.0001

EPSS Percentile 2.3%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-497

Status published

Products (2)

Marcus (aka @msykes)/WP FullCalendar < 1.6

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

Published Jan 23, 2026

Tracked Since Feb 18, 2026