CVE-2026-1008 Stored Cross-Site Scripting in Altium Live User Profile Fields
Authenticated users can inject scripts into Altium Live profiles, enabling session theft or phishing when others view the page.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-1008?
CVE-2026-1008 is a high-severity cross-site scripting vulnerability in Altium Live, published on 15 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2026-1008?
It affects 1 product.
Products include Altium Altium Live.
How do I fix CVE-2026-1008?
No fix has been published for CVE-2026-1008 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-1008 being exploited?
There is no known exploitation of CVE-2026-1008 in the wild and no public exploit code.
Other vulnerabilities in Altium Live
Sources
Also known as GHSA-2vwg-39m6-fw44.