GitHub Advisoryadvisory · Packagist

GHSA-673x-f5wx-fxpw Cross Site Scripting and RCE in baserCMS

LOW Published 2020-08-28 Modified 2021-01-07 Official page ↗
Aliases
CVE-2020-15159
Ecosystem
Packagist
Packages
baserproject/basercms
Severity
Low
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
Weaknesses
CWE-79
Reviewed
2020-08-28

Affected packages

• Packagist baserproject/basercms: >= 4.0.0, < 4.3.7 → fixed in 4.3.7

Description

baserCMS 4.3.6 and earlier is affected by Cross Site Scripting (XSS) and Remote Code Execution (RCE). • Impact: XSS to RCE via Arbitrary file upload. • Attack vector is: Administrator must be logged in. • Components are: ThemeFilesController.php, UploaderFilesController.php. • Tested baserCMS Version : 4.3.6 (Latest) • Affected baserCMS Version : 4.2.0 ~ 4.3.6 (XSS), 3.0.10 ~ 4.3.6 (RCE) • Patches : https://basercms.net/security/20200827 Found by Vulnerability Research team in Flatt Security Inc.

Related

Alias · CVE (1)

  • CVE-2020-15159 baserCMS 4.3.6 and earlier is affected by Cross Site Scripting (XSS) and Remote Code Execution (RCE). vulnerability

Weakness · CWE (1)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References