CVE-2026-85613
OpenPanel before 2.3.0 Unauthenticated XSS via SVG Favicon Proxy
- State
- Published
- Severity
- 8.4 High
- Published
- Sep 4, 2026
- Updated
- Oct 27, 2026
- Reserved
- Sep 4, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.4 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N | VulnCheck |
| 3.1 | 8.2 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N | VulnCheck |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
openpanelOpenpanel-dev |
|
References
- GitHub Security Advisory (GHSA-r7hx-q6f4-vj6h)vendor-advisory
- VulnCheck Advisory: OpenPanel Unauthenticated XSS via SVG Favicon Proxythird-party-advisory
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