CVE-2026-30879

6.9 mediumEPSS 0.2%

Medium (6.9) in basercms basercms. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 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

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 15% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-03-31
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

basercms:basercms

References

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

Check your stack JSON