CVE-2020-20269 Cross-site scripting in n/a

Critical 9.8 Published Updated

Attackers can execute malicious JavaScript via crafted Markdown files in Caret Editor, potentially compromising user systems.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-20269?

CVE-2020-20269 is a critical cross-site scripting vulnerability in n/a, published on 22 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A specially crafted Markdown document could cause the execution of malicious JavaScript code in Caret Editor before 4.0.0-rc22.

Which versions are affected by CVE-2020-20269?

It affects 1 product.

Products include Caret Caret.

How do I fix CVE-2020-20269?

No fix has been published for CVE-2020-20269 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-2020-20269 being exploited?

There is no known exploitation of CVE-2020-20269 in the wild and no public exploit code.

Sources

Also known as GHSA-mjqr-4qcm-8x7g.

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