CVE-2026-85613

OpenPanel before 2.3.0 Unauthenticated XSS via SVG Favicon Proxy

HIGH
8.2
CVSS Score
Published: September 4, 2026 at 11:30 AM UTC
Updated: October 2, 2026 at 02:00 PM UTC
1 product affected across 1 vendorOpenpanel

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Severity
HIGH8.2
Exploit prediction
EPSS 0.4%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.3.0
Vendor states this is fixed in 2.3.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.2HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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