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CVE-2026-30880

Critical

Description

baserCMS is a website development framework. Prior to version 5.2.3, baserCMS has an OS command injection vulnerability in the installer. This issue has been patched in version 5.2.3.

SeverityCritical
CVSS9.8
Exploit probability—
ProductBasercms
PublishedMar 31, 2026
First seenMar 31, 2026
Weakness typeCWE-78OS command injection

How to fix

Update
  • basercms basercms5.2.3 or later
  • baserproject/basercms5.2.3 or later

Affected products

ProductAffected versionsFixed in
basercms basercmsv < 5.2.35.2.3
baserproject/basercmsPackagistv < 5.2.35.2.3

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