SB2019123136 - Cross-site scripting in Craft CMS
Published: December 31, 2019 Updated: August 8, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Cross-site scripting (CVE-ID: CVE-2019-9554)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
In the 3.1.12 Pro version of Craft CMS, XSS has been discovered in the header insertion field when adding source code at an s/admin/entries/news/new URI.
Remediation
Install update from vendor's website.