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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.

PUBLISHED Reserved 2026-01-15 | Published 2026-01-15 | Updated 2026-01-19 | Assigner Altium




HIGH: 7.6CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

Problem types

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

Product status

Default status
unaffected

Any version
affected

References

www.altium.com/...rm/security-compliance/security-advisories

cve.org (CVE-2026-1008)

nvd.nist.gov (CVE-2026-1008)

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