XSS in Basercms
CVE-2020-15159
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.022 (80.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Basercms
- Baserproject Basercms — versions unspecified
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC, Vendor Advisory)
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-15159?
- CVE-2020-15159 is a high-severity vulnerability in Basercms, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2020-08-28.
- How severe is CVE-2020-15159?
- High severity. CVSS v3 base score is 7.6 out of 10.