Critical severity9.1NVD Advisory· Published Mar 31, 2026· Updated Apr 1, 2026
CVE-2026-30877
CVE-2026-30877
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
baserproject/basercmsPackagist | < 5.2.3 | 5.2.3 |
Affected products
2Patches
Vulnerability mechanics
References
5- basercms.net/security/JVN_20837860nvdVendor AdvisoryWEB
- github.com/advisories/GHSA-m9g7-rgfc-jcm7ghsaADVISORY
- github.com/baserproject/basercms/security/advisories/GHSA-m9g7-rgfc-jcm7nvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-30877ghsaADVISORY
- github.com/baserproject/basercms/releases/tag/5.2.3nvdRelease NotesWEB
News mentions
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