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Vulnerability record · CVE-2026-85613 · published 4 September 2026

CVE-2026-85613: Cross-site scripting vulnerability

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.

8.4 CVSS 4.0 High EPSS 0.40% · top 68.9% CWE-79 · Cross-site scripting Deferred
8.4CVSS 4.0 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
8 Sep 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/Openpanel-dev/openpanel/security/advisories/GHSA-r7hx-q6f4-vj6h
https://www.vulncheck.com/advisories/openpanel-unauthenticated-xss-via-svg-favicon-proxy
https://github.com/Openpanel-dev/openpanel/security/advisories/GHSA-r7hx-q6f4-vj6h

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Source: NIST National Vulnerability Database (record CVE-2026-85613), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.