CVE-2020-15159

Cross Site Scripting leading to RCE in baserCMS

CVSS 7.6 HIGHEPSS 2.2%CWE-79

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.6EPSS 2.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

28 Aug 2020Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

Affected products

baserproject · basercms

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References

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