CVE-2025-50055 Cross-site scripting in Access Server
Remote SAML ACS servers can inject arbitrary scripts via RelayState in OpenVPN Access Server, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-50055?
CVE-2025-50055 is a medium-severity cross-site scripting vulnerability in OpenVPN Access Server, published on 27 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Cross-site scripting (XSS) vulnerability in the SAML Authentication module in OpenVPN Access Server version 2.14.0 through 2.14.3 allows configured remote SAML Assertion Consumer Service (ACS) endpoint servers to inject arbitrary web script or HTML via the RelayState parameter
Weakness: CWE-79
Which versions are affected by CVE-2025-50055?
How do I fix CVE-2025-50055?
No fix has been published for CVE-2025-50055 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-2025-50055 being exploited?
There is no known exploitation of CVE-2025-50055 in the wild and no public exploit code.
Sources
Also known as GHSA-pcpf-m9xc-438x.