CVE-2020-28693
Last modified
CVE-2020-28693 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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>. EPSS estimates a 2.50% chance of exploitation in the next 30 days.
Description
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>
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Horizontcms Project | Horizontcms | 1.0.0 | Beta |
References
- https://github.com/jkana/HorizontCMS-1.0.0-beta-shell-uploadExploit, Third Party Advisory
- https://github.com/ttimot24/HorizontCMS/issues/21Third Party Advisory
- https://github.com/jkana/HorizontCMS-1.0.0-beta-shell-uploadExploit, Third Party Advisory
- https://github.com/ttimot24/HorizontCMS/issues/21Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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