Kurz gesagt
- CVE-2020-15159 ist eine Schwachstelle (HOCH (CVSS 7.6)) in baserproject/basercms, basercms (basercms).
- Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 2.2%, höher als bei 82.2% aller Schwachstellen.
- Abhilfe: auf 4.3.7 oder neuer aktualisieren.
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.
NVD 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.
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