CVE-2026-30879

baserCMS: Cross-site scripting vulnerability in blog post

State: Published
Severity: 6.9 Medium
Published: Mar 31, 2026
Updated: Mar 31, 2026
Reserved: Mar 6, 2026

Description

baserCMS is a website development framework. Prior to version 5.2.3, baserCMS has a cross-site scripting vulnerability in blog posts. This issue has been patched in version 5.2.3.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	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	GitHub_M

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
basercmsbaserproject	< 5.2.3Affected

References

https://github.com/baserproject/basercms/security/advisories/GHSA-jmq3-x8q7-j9qm
https://basercms.net/security/JVN_20837860
https://github.com/baserproject/basercms/releases/tag/5.2.3

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