CVE-2021-20690 Cross-site scripting in Yomi-Search

Medium 6.1 Published 7 Apr 2021 Updated 3 Aug 2024

Remote attackers can inject arbitrary scripts into Yomi-Search, potentially compromising user sessions or data.

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-2021-20690?

CVE-2021-20690 is a medium-severity cross-site scripting vulnerability in WonderLink Yomi-Search, published on 7 Apr 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

Cross-site scripting vulnerability in Yomi-Search Ver4.22 allows remote attackers to inject an arbitrary script via unspecified vectors.

Weakness: CWE-79

Which versions are affected by CVE-2021-20690?

It affects 1 product.

Products include Yomi-Search Project Yomi-Search.

How do I fix CVE-2021-20690?

No fix has been published for CVE-2021-20690 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-2021-20690 being exploited?

There is no known exploitation of CVE-2021-20690 in the wild and no public exploit code.

Sources

Also known as GHSA-4jjr-vcx2-hq8w.