CVE-2026-63157 Omnispace Agora Project < 26.10.0 Stored XSS via Links Module
Authenticated users can inject malicious scripts via the Links module, leading to session hijacking or client-side compromise for other users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-63157?
CVE-2026-63157 is a medium-severity cross-site scripting vulnerability in Omnispace Agora Project, published on 13 Oct 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Omnispace Agora Project before 26.10.0 contains a stored cross-site scripting vulnerability that allows authenticated users to inject malicious scripts by submitting an unsanitized link address (adress) field that is echoed into an onclick event-handler attribute without neutralizing quotes. Attackers can store a crafted payload through the Links module that executes in the browser of any user viewing the links list, enabling session hijacking or further client-side compromise.
Weakness: CWE-79
Which versions are affected by CVE-2026-63157?
How do I fix CVE-2026-63157?
No fix has been published for CVE-2026-63157 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-2026-63157 being exploited?
There is no known exploitation of CVE-2026-63157 in the wild and no public exploit code.
Sources
Also known as GHSA-ghgw-7245-fm88.