CVE-2021-45866 Cross-site scripting in n/a

Medium 5.4 Published 29 Mar 2022 Updated 4 Aug 2024

Attackers can inject malicious scripts via the course field, potentially stealing user sessions or executing code in victim browsers.

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-2021-45866?

CVE-2021-45866 is a medium-severity cross-site scripting vulnerability in n/a, published on 29 Mar 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A Stored Cross Site Scripting (XSS) vulnerability exists in Sourcecodester Student Attendance Management System 1.0 via the couse filed in index.php.

Weakness: CWE-79

Which versions are affected by CVE-2021-45866?

It affects 1 product.

Products include Student Attendance Management System Project Student Attendance Management System.

How do I fix CVE-2021-45866?

No fix has been published for CVE-2021-45866 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-2021-45866 being exploited?

There is no known exploitation of CVE-2021-45866 in the wild and no public exploit code.

Sources

Also known as GHSA-hm95-xc86-pqpj.