Vulnerability CVE-2020-15159
Published: 2020-08-28   Modified: 2020-08-29

Description:
baserCMS 4.3.6 and earlier is affected by Cross Site Scripting (XSS) and Remote Code Execution (RCE). This may be executed by logging in as a system administrator and uploading an executable script file such as a PHP file.The affected components are ThemeFilesController.php and UploaderFilesController.php. This is fixed in version 4.3.7.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:H/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.6/10
6.4/10
3.9/10
Exploit range
Attack complexity
Authentication
Remote
High
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Basercms -> Basercms 

 References:
https://basercms.net/security/20200827
https://github.com/baserproject/basercms/commit/16a7b3cd09a0ca355474119c76897eac2034a66d
https://github.com/baserproject/basercms/security/advisories/GHSA-673x-f5wx-fxpw
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