CVE-2025-63848 Cross-site scripting in n/a
Attackers can execute arbitrary code via stored XSS in the SWISH Prolog web IDE notebook, affecting developers using the tool.
- 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-2025-63848?
CVE-2025-63848 is a medium-severity cross-site scripting vulnerability in n/a, published on 20 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
Stored cross site scripting (xss) vulnerability in SWISH prolog thru 2.2.0 allowing attackers to execute arbitrary code via crafted web IDE notebook.
Weakness: CWE-79
Which versions are affected by CVE-2025-63848?
It affects 1 product.
Products include Swi-Prolog Swish.
How do I fix CVE-2025-63848?
No fix has been published for CVE-2025-63848 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-2025-63848 being exploited?
There is no known exploitation of CVE-2025-63848 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-mh7v-4cwg-ffjv.