CVE-2026-30880: baserCMS has OS command injection vulnerability in installer

CVE-2026-30880 · Severity: medium · CVSS 4 · Published 2026-03-31

baserCMS has OS command injection vulnerability in installer

Technologies: baserproject/basercms (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2026-30880 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-30880 being exploited in the wild.
How severe is CVE-2026-30880?
Medium severity, with a CVSS score of 4, published 31 March 2026.
Which products and versions are affected?
baserproject/basercms (Packagist) ECOSYSTEM:introduced=0,fixed=5.2.3.
Is there a fix for CVE-2026-30880?
Yes. baserproject/basercms (Packagist): upgrade to 5.2.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-30880?
Check whether you run baserproject/basercms (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • baserproject/basercms (Packagist): upgrade to 5.2.3 or later
    composer require baserproject/basercms:^5.2.3

Affected products

  • baserproject/basercms (Packagist) ECOSYSTEM:introduced=0,fixed=5.2.3

Identifiers

  • CVE-2026-30880
  • GHSA-6hpg-8rx3-cwgv

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