Cross-site scripting in Craft CMS - CVE-2023-31144

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Main Vulnerability Database Vulnerabilities #VU126471

Cross-site scripting in Craft CMS - CVE-2023-31144

Published: May 5, 2023 / Updated: April 17, 2026


Vulnerability identifier: #VU126471
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2023-31144
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Craft CMS
Software vendor:
Pixel & Tonic, Inc.

Description

The vulnerability allows a remote attacker to execute arbitrary script in a victim's browser.

The vulnerability exists due to cross-site scripting in the RSS feed widget when rendering a malformed feed title. A remote attacker can supply a crafted feed title to execute arbitrary script in a victim's browser.


Remediation

Install security update from vendor's website.

External links