CVE-2025-56320 Cross-site scripting in n/a
Remote attackers can execute arbitrary code via stored XSS in the chat box of an obsolete contract management portal.
- 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-2025-56320?
CVE-2025-56320 is a medium-severity cross-site scripting vulnerability in n/a, published on 17 Oct 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
CobbleStone Enterprise Contract Management Portal v.22.4.0 is vulnerable to Stored Cross-Site Scripting (XSS) in its chat box component. This allows a remote attacker to execute arbitrary code. NOTE: the Supplier reports that this is "Present only in an obsolete, unsupported version no longer in circulation."
Weakness: CWE-79
Which versions are affected by CVE-2025-56320?
How do I fix CVE-2025-56320?
No fix has been published for CVE-2025-56320 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-2025-56320 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-56320 exists.
Sources
Also known as GHSA-v9rv-vffq-wxpq.