CVE-2020-19295 Cross-site scripting in n/a

Medium 6.1 Published 9 Sep 2021 Updated 4 Aug 2024

Attackers can execute arbitrary web scripts or HTML via reflected XSS in the Jeesns weibo topic component.

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-2020-19295?

CVE-2020-19295 is a medium-severity cross-site scripting vulnerability in n/a, published on 9 Sep 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

A reflected cross-site scripting (XSS) vulnerability in the /weibo/topic component of Jeesns 1.4.2 allows attackers to execute arbitrary web scripts or HTML.

Weakness: CWE-79

Which versions are affected by CVE-2020-19295?

It affects 1 product.

Products include Jeesns Jeesns.

How do I fix CVE-2020-19295?

No fix has been published for CVE-2020-19295 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-2020-19295 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-19295 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-mmpm-58gf-7r28.