VulnerabilityAnalyzed

CVE-2026-1008

A stored cross-site scripting (XSS) vulnerability exists in the user profile text fields of Altium 365.

MEDIUM 5.4EPSS 0.24%

Does this matter?

Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own.

Description

A stored cross-site scripting (XSS) vulnerability exists in the user profile text fields of Altium 365. Insufficient server-side input sanitization allows authenticated users to inject arbitrary HTML and JavaScript payloads using whitespace-based attribute parsing bypass techniques. The injected payload is persisted and executed when other users view the affected profile page, potentially allowing session token theft, phishing attacks, or malicious redirects. Exploitation requires an authenticated account and user interaction to view the crafted profile.

CVSS 3.1: 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.24% probability · 15th percentile
CISA KEV: Not listed
Weakness: CWE-79
Affected: altium/altium live
Source: 4760f414-e1ae-4ff1-bdad-c7a9c3538b79

References

https://www.altium.com/platform/security-compliance/security-advisoriesVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.