CVE-2026-24523

HIGH
2026-01-23 [email protected]
7.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 23, 2026 - 15:16 nvd
HIGH 7.5

Tags

WordPress

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.

Analysis

WP FullCalendar through version 1.6 exposes sensitive system information to unauthenticated remote attackers, allowing them to retrieve embedded data without authentication. The vulnerability affects WordPress installations using the vulnerable plugin and requires no user interaction to exploit. …

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Remediation

Within 24 hours: Identify all WordPress instances running WP FullCalendar and document version numbers. Within 7 days: Disable the WP FullCalendar plugin across all installations pending remediation, or restrict access to the plugin's API endpoints via network controls. …

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Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +38
POC: 0

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CVE-2026-24523 vulnerability details – vuln.today
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