CVE-2025-63639 Cross-site scripting in n/a
Attackers can inject malicious scripts into chat messages, executing code in victims' browsers to potentially steal sessions or data.
- 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-2025-63639?
CVE-2025-63639 is a medium-severity cross-site scripting vulnerability in n/a, published on 7 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
The chat feature in the application Sourcecodester FAQ Bot with AI Assistant v1.0 is vulnerable to Cross-Site Scripting (XSS) due to improper handling of user-supplied input. An attacker can inject malicious HTML or JavaScript into chat messages, which executes in the browser of any user viewing the conversation.
Weakness: CWE-79
Which versions are affected by CVE-2025-63639?
It affects 1 product.
Products include Remyandrade Faq Bot With Ai Assistant.
How do I fix CVE-2025-63639?
No fix has been published for CVE-2025-63639 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-2025-63639 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-63639 exists.
Sources
Also known as GHSA-ghg3-c9m4-3hc2.