πŸ›‘οΈ CVE-2026-1011
🟑 CVSS 6.1 β€” Medium βœ… No Known Exploit CWE-79 NVD
6.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A stored cross-site scripting (XSS) vulnerability exists in the Altium Support Center AddComment endpoint due to missing server-side input sanitization. Although the client interface applies HTML escaping, the backend accepts and stores arbitrary HTML and JavaScript supplied via modified POST requests. The injected content is rendered verbatim when support cases are viewed by other users, including support staff with elevated privileges, allowing execution of arbitrary JavaScript in the victim’s browser context.

Details

Severity MEDIUM
CVSS Score 6.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE CWE-79
Public Exploit βœ… No
Source NVD
Published 2026-01-16
Updated 2026-06-02
Modified 2026-01-23
Fix URL N/A

Affected Packages

Software From version Fixed in
altium-live β€” 1.1.1.39

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