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Vulnerabilities

Vulnerability · CVE-2026-30880

baserCMS is a website development framework.

Published Mar 31, 2026 · catalog updated Jun 17, 2026 · baserCMS is a website

Check if you run it

No confirmed exploitation is on record for CVE-2026-30880. EPSS is 2.25%. Act only if a listed version of baserCMS is a website is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (baserCMS is a website).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.2
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.25%
Remediation
Advisory link
Affected products
cpe basercms/basercms

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe basercms/basercmsversion unspecified

How to fix CVE-2026-30880

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-30880. EPSS is 2.25%. Act only if a listed version of baserCMS is a website is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-78: OS Command Injection. EPSS 2.25%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 31, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-30880

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-30880

    30-day exploitation probability 2.2%

    first.org
  • NIST NVDVulnerability recordCVE-2026-30880

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.