CVE-2026-85613 OpenPanel before 2.3.0 Unauthenticated XSS via SVG Favicon Proxy
Remote attackers can execute scripts in victims' browsers via malicious SVG files in the favicon proxy, potentially leading to account takeover.
- 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-2026-85613?
CVE-2026-85613 is a high-severity cross-site scripting vulnerability in Openpanel-dev openpanel, published on 4 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
OpenPanel before 2.3.0 contains a cross-site scripting vulnerability in the unauthenticated favicon proxy endpoint GET /misc/favicon that allows remote attackers to execute scripts by supplying an SVG file URL. Attackers can host malicious SVG files with embedded scripts that execute in the victim's browser on the API origin, enabling same-origin credentialed requests to authenticated endpoints.
Weakness: CWE-79
Which versions are affected by CVE-2026-85613?
How do I fix CVE-2026-85613?
No fix has been published for CVE-2026-85613 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-2026-85613 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-85613 exists.
Sources
Also known as GHSA-fcgm-pp78-h237, GHSA-r7hx-q6f4-vj6h.