CVE-2019-17489 Cross-site scripting in n/a

Medium 6.1 Published 10 Oct 2019 Updated 5 Aug 2024

Cross-site scripting vulnerability in Jiangnan Online Judge allows attackers to inject malicious scripts via the problem title parameter.

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-2019-17489?

CVE-2019-17489 is a medium-severity cross-site scripting vulnerability in n/a, published on 10 Oct 2019. 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

Jiangnan Online Judge (aka jnoj) 0.8.0 has XSS via the Problem[title] parameter to web/polygon/problem/create or web/polygon/problem/update or web/admin/problem/create.

Weakness: CWE-79

Which versions are affected by CVE-2019-17489?

It affects 1 product.

Products include Jnoj Jiangnan Online Judge.

How do I fix CVE-2019-17489?

No fix has been published for CVE-2019-17489 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-2019-17489 being exploited?

There is no known exploitation of CVE-2019-17489 in the wild and no public exploit code.

Sources

Also known as GHSA-5rhx-5pr7-3g2w.