VulnerabilityAnalyzed

CVE-2026-30879

Prior to version 5.2.3, baserCMS has a cross-site scripting vulnerability in blog posts.

MEDIUM 6.9EPSS 0.23%

Does this matter?

Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own.

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 4.0: 6.9 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.23% probability · 14th percentile
CISA KEV: Not listed
Weakness: CWE-79
Affected: basercms/basercms
Source: security-advisories@github.com

References

https://basercms.net/security/JVN_20837860Vendor Advisory
https://github.com/baserproject/basercms/releases/tag/5.2.3Release Notes
https://github.com/baserproject/basercms/security/advisories/GHSA-jmq3-x8q7-j9qmVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.