CVE-2026-30879CWE-79

baserCMS: Cross-site scripting vulnerability in blog post

Medium · published March 31, 2026

CVSS v4.0
6.9
EPSS
0%
Percentile
24.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
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
EPSS
0.00324 · 24.2th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-03-31T00:45Z
EPSS history
Timeline
  • 31 MAR 00:45Z
    baserCMS: Cross-site scripting vulnerability in blog post
    cvelistv5