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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.022 (81.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Basercms
- Baserproject Basercms — versions unspecified
Weakness classification (CWE)
References
- basercms.net/security/20200827 (Vendor Advisory)
- github.com/baserproject/basercms/security/advisories/GHSA-673x-f5wx-fxpw (Patch, Third Party Advisory)
- github.com/baserproject/basercms/commit/16a7b3cd09a0ca355474119c76897eac2034a66d (Patch, Third Party Advisory)
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.