CVE-2026-91922 Steedos Platform through 3.0.15-beta.47 Reflected XSS via page render
Attackers can execute arbitrary JavaScript via crafted links to steal authentication tokens from victims using the Steedos Platform.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-91922?
CVE-2026-91922 is a medium-severity cross-site scripting vulnerability in steedos-platform, published on 15 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Steedos Platform through 3.0.15-beta.47 contains a reflected cross-site scripting vulnerability in the anonymous /api/page/render endpoint that fails to properly escape query parameters in inline script elements. Attackers can craft malicious links with script-terminating sequences in the schemaApi or data parameters to execute arbitrary JavaScript in victim sessions and steal X-Auth-Token credentials.
Weakness: CWE-79
Which versions are affected by CVE-2026-91922?
How do I fix CVE-2026-91922?
No fix has been published for CVE-2026-91922 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-2026-91922 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-91922 exists.
Sources
Also known as GHSA-925g-q5h8-6rmx.