CVE-2026-14449 | u5CMS through v12.8.8 is vulnerable to reflected XSS via the… | CVSS 6.4 MEDIUM

Description

u5CMS through v12.8.8 is vulnerable to reflected XSS via the ‘thanks’ parameter in multiple form components

CVE ID: CVE-2026-14449
State: PUBLISHED
Assigner: NCSC.ch
Reserved: 2026-07-02 07:19 UTC
Published: 2026-07-02 11:47 UTC
Last updated: 2026-07-02 13:14 UTC
Primary CWE: CWE-79
CWE-79 Improper Neutralization of Input During Web Page Gene…
Vendor / Product: u5CMS / u5CMS
Sources: cve.org · NVD

6.4 MEDIUM CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H

SSVC — CISA Coordinator

Affected products (1)

Vendor	Product	Platform	Versions
u5CMS	u5CMS	—	0 ≤ 12.8.8

Weakness (CWE)

CWE	Source	Description
CWE-79	adp	CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS scores (1)

Score	Severity	Version	Source	Vector
6.4	MEDIUM	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H

References (1)