SB2019061712 - Cross-site scripting in PortlandLabs concrete5
Published: June 17, 2019 Updated: August 8, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Cross-site scripting (CVE-ID: CVE-2018-19146)
CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
The vulnerability allows a remote privileged user to read and manipulate data.
Concrete5 8.4.3 has XSS because config/concrete.php allows uploads (by administrators) of SVG files that may contain HTML data with a SCRIPT element.
Remediation
Install update from vendor's website.