CVE-2026-30879 — Cross-site Scripting in Basercms

CWE-79 — Cross-site Scripting4 documents4 sources
Severity
6.9MEDIUMNVD
EPSS
0.0%
top 90.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Baserproject BasercmsBasercms
Timeline
PublishedMar 31

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.

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

Affected Packages3 packages

▶NVDbasercms/basercms< 5.2.3
▶CVEListV5baserproject/basercms< 5.2.3
▶Packagistbaserproject/basercms< 5.2.3

🔴Vulnerability Details

2
OSV
baserCMS has a cross-site scripting vulnerability in blog posts↗2026-03-31
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GHSA
baserCMS has a cross-site scripting vulnerability in blog posts↗2026-03-31
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🕵️Threat Intelligence

1
Wiz
CVE-2026-30879 Impact, Exploitability, and Mitigation Steps | Wiz↗
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