CVE-2025-30190 Cross-site scripting in OX App Suite
Attackers can inject script code via malicious office documents, leading to unauthorized actions and data exfiltration in user accounts.
- 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-2025-30190?
CVE-2025-30190 is a medium-severity cross-site scripting vulnerability in Open-Xchange GmbH OX App Suite, published on 27 Nov 2025. 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
Malicious content at office documents can be used to inject script code when editing a document. Unintended actions can be executed in the context of the users account, including exfiltration of sensitive information. Please deploy the provided updates and patch releases. No publicly available exploits are known
Weakness: CWE-79
Which versions are affected by CVE-2025-30190?
How do I fix CVE-2025-30190?
No fix has been published for CVE-2025-30190 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-2025-30190 being exploited?
There is no known exploitation of CVE-2025-30190 in the wild and no public exploit code.
Sources
Also known as GHSA-q975-g9wv-44h5.