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Vulnerability record · CVE-2025-53349 · published 6 November 2025

CVE-2025-53349: Cross-site scripting vulnerability

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.

7.1 CVSS 3.1 High EPSS 0.22% · top 88.9% CWE-79 · Cross-site scripting Deferred
7.1CVSS 3.1 base score
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

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.

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

References

LinkTags
https://patchstack.com/database/Wordpress/Theme/kalium/vulnerability/wordpress-kalium-theme-3-18-3-cross-site-scripting-

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Source: NIST National Vulnerability Database (record CVE-2025-53349), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.