CVE-2026-59516

HIGH 7.1

WordPress ICS Calendar plugin <= 12.1.1 - Cross Site Scripting (XSS) vulnerability

CVSS Score

7.1

EPSS Score

0.3%

EPSS Percentile

16th

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Room 34 Creative Services, LLC ICS Calendar ics-calendar allows Reflected XSS.This issue affects ICS Calendar: from n/a through <= 12.1.1.

CWE	CWE-79
Vendor	room 34 creative services, llc
Product	ics calendar
Published	Jul 13, 2026
Last Updated	Jul 13, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Affected Versions

Room 34 Creative Services, LLC / ICS Calendar

0 ≤ 12.1.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/ics-calendar/vulnerability/wordpress-ics-calendar-plugin-12-1-1-cross-site-scripting-xss-vulnerability?_s_id=cve

Credits

Nguyen Ba Khanh | Patchstack Bug Bounty Program