CVE-2025-51863 Cross-site scripting in n/a
Attackers can execute arbitrary code via crafted SVG files in the ChatGPT Unli chat interface, potentially compromising user sessions.
- 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-2025-51863?
CVE-2025-51863 is a medium-severity cross-site scripting vulnerability in n/a, published on 22 Jul 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
Self Cross Site Scripting (XSS) vulnerability in ChatGPT Unli (ChatGPTUnli.com) thru 2025-05-26 allows attackers to execute arbitrary code via a crafted SVG file to the chat interface.
Weakness: CWE-79
Which versions are affected by CVE-2025-51863?
How do I fix CVE-2025-51863?
No fix has been published for CVE-2025-51863 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-2025-51863 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-51863 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-42q5-3w9f-c6pw.