CVE-2018-20949 Cross-site scripting in n/a

Medium 6.1 Published Updated

Self XSS in cPanel WHM Apache Configuration Include Editor allows attackers to execute scripts in the context of other users.

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-2018-20949?

CVE-2018-20949 is a medium-severity cross-site scripting vulnerability in Cpanel Cpanel, published on 1 Aug 2019. 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

cPanel before 68.0.27 allows self XSS in WHM Apache Configuration Include Editor (SEC-385).

Weakness: CWE-79

Which versions are affected by CVE-2018-20949?

It affects 1 product.

Products include Cpanel Cpanel.

How do I fix CVE-2018-20949?

No fix has been published for CVE-2018-20949 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-2018-20949 being exploited?

There is no known exploitation of CVE-2018-20949 in the wild and no public exploit code.

All Cpanel Cpanel vulnerabilities

Sources

Also known as GHSA-p3h9-w3hp-58xh.

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