CVE-2020-11734 Cross-site scripting in n/a

Medium 6.1 Published Updated

Cross-site scripting in CyberMail allows attackers to inject scripts via the ACTION parameter, potentially compromising user sessions.

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-2020-11734?

CVE-2020-11734 is a medium-severity cross-site scripting vulnerability in n/a, published on 13 Apr 2020. 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

cgi-bin/go in CyberSolutions CyberMail 5 or later allows XSS via the ACTION parameter.

Weakness: CWE-79

Which versions are affected by CVE-2020-11734?

It affects 1 product.

Products include Cybersolutions Cybermail.

How do I fix CVE-2020-11734?

No fix has been published for CVE-2020-11734 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-2020-11734 being exploited?

There is no known exploitation of CVE-2020-11734 in the wild and no public exploit code.

Sources

Also known as GHSA-8rgq-qjc8-jj5v.

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