CVE-2025-22261

MEDIUM 6.5

WordPress WP FullCalendar plugin <= 1.5 - Cross Site Scripting (XSS) vulnerability

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Marcus (aka @msykes) WP FullCalendar wp-fullcalendar allows Stored XSS.This issue affects WP FullCalendar: from n/a through <= 1.5.

CWE	CWE-79
Vendor	marcus (aka @msykes)
Product	wp fullcalendar
Published	Jan 7, 2025
Last Updated	Apr 28, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Affected Versions

Marcus (aka @msykes) / WP FullCalendar

0 ≤ 1.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/wp-fullcalendar/vulnerability/wordpress-wp-fullcalendar-plugin-1-5-cross-site-scripting-xss-vulnerability?_s_id=cve

Credits

LVT-tholv2k | Patchstack Bug Bounty Program