CVE-2026-85613

OpenPanel before 2.3.0 Unauthenticated XSS via SVG Favicon Proxy

Published Sep 4, 2026 CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:openpanel:openpanel:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title OpenPanel Unauthenticated XSS via SVG Favicon Proxy OpenPanel before 2.3.0 Unauthenticated XSS via SVG Favicon Proxy
CPEs cpe:2.3:a:openpanel:openpanel:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title OpenPanel Unauthenticated XSS via SVG Favicon Proxy
First Time appeared Openpanel
Openpanel openpanel
Weaknesses CWE-79
CPEs cpe:2.3:a:openpanel:openpanel:*:*:*:*:*:*:*:*
Vendors & Products Openpanel
Openpanel openpanel
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N'}

cvssV4_0

{'score': 8.4, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 27, 2026, 10:14 AM
Reserved
Sep 4, 2026, 11:01 AM
Status
Deferred
Published
Sep 4, 2026, 12:17 PM
Modified
Sep 8, 2026, 8:18 PM