CVE-2021-27371 Cross-site scripting in n/a

Medium 5.4 Published Updated

Attackers can inject malicious scripts into the Contact Description field, potentially stealing user sessions or executing code 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-2021-27371?

CVE-2021-27371 is a medium-severity cross-site scripting vulnerability in n/a, published on 22 Feb 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

The Contact page in Monica 2.19.1 allows stored XSS via the Description field.

Weakness: CWE-79

Which versions are affected by CVE-2021-27371?

It affects 1 product.

Products include Monicahq Monica.

How do I fix CVE-2021-27371?

No fix has been published for CVE-2021-27371 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-2021-27371 being exploited?

There is no known exploitation of CVE-2021-27371 in the wild and no public exploit code.

Sources

Also known as GHSA-wp59-9grx-jh34.

Is CVE-2021-27371 in your software?

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