CVE-2026-14449
Received Received - Intake

Reflected XSS in u5CMS via thanks Parameter

Publication date: 2026-07-02

Last updated on: 2026-07-02

Assigner: Switzerland Government Common Vulnerability Program

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

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Meta Information

Published
2026-07-02
Last Modified
2026-07-02
Generated
2026-07-02
AI Q&A
2026-07-02
EPSS Evaluated
N/A
NVD
CVE-2026-14449
EUVD
EUVD-2026-41325

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
u5cms u5cms From 12.8.8 (inc) to 12.8.9 (inc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

CVE-2026-14449 is a reflected Cross-Site Scripting (XSS) vulnerability in u5CMS versions through 12.8.8. It occurs via the 'thanks' parameter in multiple form components, allowing an attacker to inject malicious scripts that are reflected back to users.

Impact Analysis

This vulnerability can allow attackers to execute malicious scripts in the context of users visiting the affected u5CMS site. This can lead to theft of user credentials, session hijacking, defacement, or redirection to malicious sites, potentially compromising user data and trust.

Mitigation Strategies

To mitigate the reflected XSS vulnerability in u5CMS through version 12.8.8, you should upgrade to u5CMS version 12.8.9, which contains a fix for this issue.

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