CVE-2025-53349

HIGH 7.1

WordPress Kalium Theme <= 3.18.3 - Cross Site Scripting (XSS) Vulnerability

CVSS Score

7.1

EPSS Score

0.0%

EPSS Percentile

0th

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Laborator Kalium kalium allows Reflected XSS.This issue affects Kalium: from n/a through <= 3.18.3.

CWE	CWE-79
Vendor	laborator
Product	kalium
Published	Nov 6, 2025
Last Updated	Apr 28, 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

Laborator / Kalium

0 ≤ 3.18.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Theme/kalium/vulnerability/wordpress-kalium-theme-3-18-3-cross-site-scripting-xss-vulnerability?_s_id=cve

Credits

Ananda Dhakal (Patchstack)