CVE-2026-33506 DOM-Based XSS in Ory Polis Login Page
An attacker can execute arbitrary JavaScript via a malicious callbackUrl parameter, potentially stealing credentials or hijacking sessions.
- 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-2026-33506?
CVE-2026-33506 is a high-severity cross-site scripting vulnerability in ory polis, published on 26 Mar 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
Ory Polis, formerly known as BoxyHQ Jackson, bridges or proxies a SAML login flow to OAuth 2.0 or OpenID Connect. Versions prior to 26.2.0 contain a DOM-based Cross-Site Scripting (XSS) vulnerability in Ory Polis's login functionality. The application improperly trusts a URL parameter (`callbackUrl`), which is passed to `router.push`. An attacker can craft a malicious link that, when opened by an authenticated user (or an unauthenticated user that later logs in), performs a client-side redirect and executes arbitrary JavaScript in the context of their browser. This could lead to credential theft, internal network pivoting, and unauthorized actions performed on behalf of the victim. Version 26.2.0 contains a patch for the issue.
Which versions are affected by CVE-2026-33506?
It affects 1 product.
Products include Ory Polis.
How do I fix CVE-2026-33506?
No fix has been published for CVE-2026-33506 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-2026-33506 being exploited?
There is no known exploitation of CVE-2026-33506 in the wild and no public exploit code.
Sources
Also known as GHSA-3wjr-6gw8-9j22.