CVE-2026-10173 Orthanc Explorer 2 URL StudyList.vue cross site scripting
Attackers can inject malicious scripts via the remote-source argument in Orthanc Explorer 2, potentially executing code in victim browsers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-10173?
CVE-2026-10173 is a medium-severity cross-site scripting vulnerability in Orthanc Explorer 2, published on 31 May 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A weakness has been identified in Orthanc Explorer 2 up to 1.12.0. The impacted element is an unknown function of the file WebApplication/src/components/StudyList.vue of the component URL Handler. This manipulation of the argument remote-source causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Patch name: 21f78ce5da668bf5233efcd1896ec7c6e3b22eae. Applying a patch is the recommended action to fix this issue.
Which versions are affected by CVE-2026-10173?
How do I fix CVE-2026-10173?
No fix has been published for CVE-2026-10173 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-10173 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10173 exists.
Sources
Also known as GHSA-r68q-jr9v-43rv.