CVEvulnerability
CVE-2026-21861
7.2 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-03-31
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 7.2 HIGH — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-78
Description
baserCMS is a website development framework. Prior to version 5.2.3, baserCMS contains an OS command injection vulnerability in the core update functionality. An authenticated administrator can execute arbitrary OS commands on the server due to improper handling of user-controlled input that is directly passed to exec() without sufficient validation or escaping. This issue has been patched in version 5.2.3.
Affected configurations
• basercms basercms (< 5.2.3)
Related
Weakness · CWE (1)
- CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness
References
- https://basercms.net/security/JVN_20837860 Vendor Advisory
- https://github.com/baserproject/basercms/releases/tag/5.2.3 Release Notes
- https://github.com/baserproject/basercms/security/advisories/GHSA-qxmc-6f24-g86g Exploit, Vendor Advisory
- https://github.com/baserproject/basercms/security/advisories/GHSA-qxmc-6f24-g86g Exploit, Vendor Advisory