Vulnerability details
CVE-2026-30877
baserproject basercms
baserCMS: OS Command Injection in the baserCMS Update Functionality
CVSS 3.1
9.1Critical
Official description
baserCMS is a website development framework. Prior to version 5.2.3, there is an OS command injection vulnerability in the update functionality. Due to this issue, an authenticated user with administrator privileges in baserCMS can execute arbitrary OS commands on the server with the privileges of the user account running baserCMS. This issue has been patched in version 5.2.3.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.1Critical | 3.1 | CVEProject cvelistV5 (CNA) (GitHub_M) | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| baserproject | basercms | < 5.2.3 | CVEProject cvelistV5 (CNA) |
References and advisories
3- https://github.com/baserproject/basercms/security/advisories/GHSA-m9g7-rgfc-jcm7 x_refsource_CONFIRM
- https://basercms.net/security/JVN_20837860 x_refsource_MISC
- https://github.com/baserproject/basercms/releases/tag/5.2.3 x_refsource_MISC
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Details
- Published
- 2026-03-31
- Last updated
- 2026-04-02
- State
- Published
- Assigner (CNA)
- GitHub_M
Exploit prediction (EPSS)
1.54%
Probability of exploitation in 30 days
75.1%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')