CVE-2020-29257 Cross-site scripting in n/a

Medium 6.1 Published Updated

Attackers can inject malicious scripts via the q parameter in feedback.php, potentially stealing user sessions or executing code in victim browsers.

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-2020-29257?

CVE-2020-29257 is a medium-severity cross-site scripting vulnerability in n/a, published on 9 Dec 2020. 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

Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to feedback.php.

Weakness: CWE-79

Which versions are affected by CVE-2020-29257?

It affects 1 product.

Products include Online Examination System Project Online Examination System.

How do I fix CVE-2020-29257?

No fix has been published for CVE-2020-29257 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-2020-29257 being exploited?

There is no known exploitation of CVE-2020-29257 in the wild and no public exploit code.

Sources

Also known as GHSA-9hfm-mhvm-8rx7.

Is CVE-2020-29257 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free