CVE-2020-19007 Cross-site scripting in n/a

Medium 5.4 Published 26 Aug 2020 Updated 4 Aug 2024

Attackers can inject malicious JavaScript into blog comments, executing code in victims' browsers via the Halo blog platform.

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-2020-19007?

CVE-2020-19007 is a medium-severity cross-site scripting vulnerability in n/a, published on 26 Aug 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

Halo blog 1.2.0 allows users to submit comments on blog posts via /api/content/posts/comments. The javascript code supplied by the attacker will then execute in the victim user's browser.

Weakness: CWE-79

Which versions are affected by CVE-2020-19007?

It affects 1 product.

Products include Halo Halo.

How do I fix CVE-2020-19007?

No fix has been published for CVE-2020-19007 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-2020-19007 being exploited?

There is no known exploitation of CVE-2020-19007 in the wild and no public exploit code.

Sources

Also known as GHSA-j97g-76wm-6mpj.