GitHub Advisoryadvisory · Packagist

GHSA-jmq3-x8q7-j9qm baserCMS has a cross-site scripting vulnerability in blog posts

MEDIUM Published 2026-03-31 Modified 2026-03-31 Official page ↗
Aliases
CVE-2026-30879
Ecosystem
Packagist
Packages
baserproject/basercms
Severity
Moderate
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Weaknesses
CWE-79
Reviewed
2026-03-31

Affected packages

• Packagist baserproject/basercms: < 5.2.3 → fixed in 5.2.3

Description

baserCMS has a cross-site scripting vulnerability in blog posts. Target baserCMS 5.2.1 and earlier versions Vulnerability Malicious Javascript may be executed in blog posts. Countermeasures Update to the latest version of baserCMS Please refer to the following page to reference for more information. https://basercms.net/security/JVN_20837860 Credits Gai Tanaka@Mitsui Bussan Secure Directions, Inc.

Related

Alias · CVE (1)

  • CVE-2026-30879 baserCMS is a website development framework. vulnerability

Weakness · CWE (1)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References