What is CVE-2019-19903?

CVE-2019-19903 is a vulnerability discovered in Backdrop CMS 1.14.x before 1.14.2 that allows an attacker to execute scripting when viewing a list of file type descriptions created by administrators.

How does CVE-2019-19903 impact Backdrop CMS?

CVE-2019-19903 impacts Backdrop CMS by not sufficiently filtering output, which can allow an attacker to craft a specialized description to execute scripting.

What is the severity of CVE-2019-19903?

The severity of CVE-2019-19903 is medium with a CVSS score of 4.8.

How can I fix CVE-2019-19903 in Backdrop CMS?

To fix CVE-2019-19903 in Backdrop CMS, you should update to version 1.14.2 or later.

Where can I find more information about CVE-2019-19903?

You can find more information about CVE-2019-19903 in the security advisory at https://backdropcms.org/security/backdrop-sa-core-2019-015.

Vulnerability/
CVE-2019-19903

medium

4.8

CWE

19/12/2019

5/8/2024

CVE-2019-19903: XSS

First published: Thu Dec 19 2019(Updated: )

An issue was discovered in Backdrop CMS 1.14.x before 1.14.2. It doesn't sufficiently filter output when displaying file type descriptions created by administrators. An attacker could potentially craft a specialized description, then have an administrator execute scripting when viewing the list of file types, aka XSS. This vulnerability is mitigated by the fact that an attacker must have a role with the "Administer file types" permission.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Backdrop CMS	>=1.13.0<1.13.5
Backdrop CMS	>=1.14.0<1.14.2

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Reference Links

https://backdropcms.org/security/backdrop-sa-core-2019-015

Frequently Asked Questions

What is CVE-2019-19903?
CVE-2019-19903 is a vulnerability discovered in Backdrop CMS 1.14.x before 1.14.2 that allows an attacker to execute scripting when viewing a list of file type descriptions created by administrators.
How does CVE-2019-19903 impact Backdrop CMS?
CVE-2019-19903 impacts Backdrop CMS by not sufficiently filtering output, which can allow an attacker to craft a specialized description to execute scripting.
What is the severity of CVE-2019-19903?
The severity of CVE-2019-19903 is medium with a CVSS score of 4.8.
How can I fix CVE-2019-19903 in Backdrop CMS?
To fix CVE-2019-19903 in Backdrop CMS, you should update to version 1.14.2 or later.
Where can I find more information about CVE-2019-19903?
You can find more information about CVE-2019-19903 in the security advisory at https://backdropcms.org/security/backdrop-sa-core-2019-015.

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