Arbitrary file upload in Horizontcms Project
CVE-2020-28693
An unrestricted file upload issue in HorizontCMS 1.0.0-beta allows an authenticated remote attacker to upload PHP code through a zip file by uploading a theme, and executing the PHP file via an HTTP GET request to /themes/<php_file_name>
Vulnerability class: Unrestricted File Upload
EPSS: 0.025 (83.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Horizontcms_project Horizontcms — versions 1.0.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-28693?
- CVE-2020-28693 is a high-severity vulnerability in Horizontcms Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2020-11-16.
- How severe is CVE-2020-28693?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-28693 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.