CVE-2021-24873 Tutor LMS < 1.9.11 - Reflected Cross-Site Scripting

Medium 6.1 Published Updated

Attackers can inject malicious scripts into the Student Registration page via unsanitized input, 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-2021-24873?

CVE-2021-24873 is a medium-severity cross-site scripting vulnerability in Unknown Tutor LMS – eLearning and online course solution, published on 23 Nov 2021. 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 Tutor LMS WordPress plugin before 1.9.11 does not sanitise and escape user input before outputting back in attributes in the Student Registration page, leading to a Reflected Cross-Site Scripting issue

Weakness: CWE-79

Which versions are affected by CVE-2021-24873?

It affects 1 product.

Products include Themeum Tutor Lms.

How do I fix CVE-2021-24873?

No fix has been published for CVE-2021-24873 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-2021-24873 being exploited?

There is no known exploitation of CVE-2021-24873 in the wild and no public exploit code.

Sources

Also known as GHSA-pvx2-pw54-p32q.

Is CVE-2021-24873 in your software?

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