CVE-2020-19291 Cross-site scripting in n/a

Medium 5.4 Published 9 Sep 2021 Updated 4 Aug 2024

Attackers can execute arbitrary scripts via stored XSS in the Weibo publishing component of Jeesns.

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-2020-19291?

CVE-2020-19291 is a medium-severity cross-site scripting vulnerability in n/a, published on 9 Sep 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A stored cross-site scripting (XSS) vulnerability in the /weibo/publishdata component of Jeesns 1.4.2 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in a posted Weibo.

Weakness: CWE-79

Which versions are affected by CVE-2020-19291?

It affects 1 product.

Products include Jeesns Jeesns.

How do I fix CVE-2020-19291?

No fix has been published for CVE-2020-19291 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-2020-19291 being exploited?

There is no known exploitation of CVE-2020-19291 in the wild and no public exploit code.

Sources

Also known as GHSA-qrqq-2r8j-xm27.