CVE-2018-20910 Cross-site scripting in n/a

Medium 6.1 Published Updated

An attacker can execute arbitrary scripts in the WHM cPAddons interface via self XSS, 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-2018-20910?

CVE-2018-20910 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 70.0.23 allows self XSS in the WHM cPAddons showsecurity Interface (SEC-357).

Weakness: CWE-79

Which versions are affected by CVE-2018-20910?

It affects 1 product.

Products include Cpanel Cpanel.

How do I fix CVE-2018-20910?

No fix has been published for CVE-2018-20910 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-2018-20910 being exploited?

There is no known exploitation of CVE-2018-20910 in the wild and no public exploit code.

All Cpanel Cpanel vulnerabilities

Sources

Also known as GHSA-4p92-h4fc-6v85.

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