Cross Site Scripting Vulnerability in Orthanc Explorer by Orthanc
CVE-2026-10173

5.3MEDIUM

Key Information:

Vendor

Orthanc

Status
Explorer 2
Vendor
CVE Published:
31 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-10173?

A cross site scripting vulnerability exists in Orthanc Explorer versions up to 1.12.0, specifically within an unknown function in the file WebApplication/src/components/StudyList.vue. This flaw is due to inadequate validation of the 'remote-source' argument, enabling attackers to exploit the vulnerability remotely. Publicly available exploits can facilitate such attacks, making it essential for users to apply the security patch (21f78ce5da668bf5233efcd1896ec7c6e3b22eae) to mitigate risks associated with this vulnerability.

Affected Version(s)

Explorer 2 1.0

Explorer 2 1.1

Explorer 2 1.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-10173 - Proof of Concept

References

https://vuldb.com/vuln/367430
vdb-entrytechnical-description
https://vuldb.com/vuln/367430/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-10173
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

dapickle (VulDB User)
.