CVE-2026-24523

FullCalendar <= 1.6 - Unauthenticated Information Exposure

mediumExposure of Sensitive Information to an Unauthorized Actor

5.3

CVSS Score

5.3

CVSS Score

medium

Severity

Unpatched

Patched in

N/A

Time to patch

Description

The WP FullCalendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.6. This makes it possible for unauthenticated attackers to extract sensitive user or configuration data.

CVSS Vector Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Low

Confidentiality

None

Integrity

None

Availability

Technical Details

Affected versions<=1.6

PublishedJanuary 26, 2026

Last updatedFebruary 2, 2026

Affected pluginwp-fullcalendar

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/45c2ad78-6cae-4d32-b595-54a466ff2469?source=api-prod

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