What is the severity of CVE-2017-18456?

CVE-2017-18456 is classified as a moderate severity vulnerability due to its self XSS nature.

What versions are affected by CVE-2017-18456?

CVE-2017-18456 affects cPanel versions earlier than 62.0.17, including specific versions from 55.x to 61.x.

How do I fix CVE-2017-18456?

To fix CVE-2017-18456, upgrade your cPanel installation to version 62.0.17 or later.

What type of attack does CVE-2017-18456 allow?

CVE-2017-18456 enables self cross-site scripting (self XSS) attacks within the WHM cPAddons showsecurity interface.

Is my server vulnerable if running cPanel before version 62.0.17?

Yes, if your server runs a version of cPanel prior to 62.0.17, it is vulnerable to CVE-2017-18456.

Vulnerability/
CVE-2017-18456

medium

6.1

CWE

2/8/2019

5/8/2024

CVE-2017-18456: XSS

First published: Fri Aug 02 2019(Updated: )

cPanel before 62.0.17 allows self XSS in the WHM cPAddons showsecurity interface (SEC-217).

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Cpanel Cpanel	>=55.9999.61<56.0.46
Cpanel Cpanel	>=57.9999.48<58.0.45
Cpanel Cpanel	>=59.9999.58<60.0.39
Cpanel Cpanel	>=61.9999.55<62.0.17

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Frequently Asked Questions

What is the severity of CVE-2017-18456?
CVE-2017-18456 is classified as a moderate severity vulnerability due to its self XSS nature.
What versions are affected by CVE-2017-18456?
CVE-2017-18456 affects cPanel versions earlier than 62.0.17, including specific versions from 55.x to 61.x.
How do I fix CVE-2017-18456?
To fix CVE-2017-18456, upgrade your cPanel installation to version 62.0.17 or later.
What type of attack does CVE-2017-18456 allow?
CVE-2017-18456 enables self cross-site scripting (self XSS) attacks within the WHM cPAddons showsecurity interface.
Is my server vulnerable if running cPanel before version 62.0.17?
Yes, if your server runs a version of cPanel prior to 62.0.17, it is vulnerable to CVE-2017-18456.

collector/nvd-index
agent/references
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/author
agent/weakness
agent/last-modified-date
agent/severity
agent/tags
agent/first-publish-date
agent/description
agent/event
agent/source
vendor/cpanel
canonical/cpanel cpanel
version/cpanel cpanel/55.9999.61
version/cpanel cpanel/57.9999.48
version/cpanel cpanel/59.9999.58
version/cpanel cpanel/61.9999.55

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Frequently Asked Questions

What is the severity of CVE-2017-18456?
CVE-2017-18456 is classified as a moderate severity vulnerability due to its self XSS nature.
What versions are affected by CVE-2017-18456?
CVE-2017-18456 affects cPanel versions earlier than 62.0.17, including specific versions from 55.x to 61.x.
How do I fix CVE-2017-18456?
To fix CVE-2017-18456, upgrade your cPanel installation to version 62.0.17 or later.
What type of attack does CVE-2017-18456 allow?
CVE-2017-18456 enables self cross-site scripting (self XSS) attacks within the WHM cPAddons showsecurity interface.
Is my server vulnerable if running cPanel before version 62.0.17?
Yes, if your server runs a version of cPanel prior to 62.0.17, it is vulnerable to CVE-2017-18456.