CVE-2020-13889 Cross-site scripting in n/a

Medium 5.4 Published 6 Jun 2020 Updated 4 Aug 2024

Cross-site scripting in Bludit administration panel allows attackers to execute arbitrary scripts 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-2020-13889?

CVE-2020-13889 is a medium-severity cross-site scripting vulnerability in n/a, published on 6 Jun 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

showAlert() in the administration panel in Bludit 3.12.0 allows XSS.

Weakness: CWE-79

Which versions are affected by CVE-2020-13889?

It affects 1 product.

Products include Bludit Bludit.

How do I fix CVE-2020-13889?

No fix has been published for CVE-2020-13889 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-2020-13889 being exploited?

There is no known exploitation of CVE-2020-13889 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-qq72-349c-hj8g.