CVE-2025-50866 Cross-site scripting in n/a
Reflected XSS in CloudClassroom-PHP-Project allows attackers to inject JavaScript via the email parameter, potentially leading to session hijacking or phishing.
- 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-2025-50866?
CVE-2025-50866 is a medium-severity cross-site scripting vulnerability in n/a, published on 31 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
CloudClassroom-PHP-Project 1.0 contains a reflected Cross-site Scripting (XSS) vulnerability in the email parameter of the postquerypublic endpoint. Improper sanitization allows an attacker to inject arbitrary JavaScript code that executes in the context of the user s browser, potentially leading to session hijacking or phishing attacks.
Weakness: CWE-79
Which versions are affected by CVE-2025-50866?
It affects 1 product.
Products include Vishalmathur Cloudclassroom.
How do I fix CVE-2025-50866?
No fix has been published for CVE-2025-50866 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-2025-50866 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-50866 exists.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-75pq-m89c-9h5r.