PT-2026-29150 · Basercms · Basercms

Gai Tanaka · Published 2026-03-31 · Updated 2026-03-31 · CVE-2026-30879

Positive Technologies (AI Summary)

CVSS v4.0

6.9

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions baserCMS versions prior to 5.2.3

Description baserCMS is a website development framework. A cross-site scripting issue exists in blog posts within versions prior to 5.2.3. This issue was addressed with the release of version 5.2.3.

Recommendations Update to version 5.2.3 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-30879

GHSA-JMQ3-X8Q7-J9QM

Affected Products

Basercms

References · 11

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30879.json · Exploit
• https://github.com/baserproject/basercms/security/advisories/GHSA-jmq3-x8q7-j9qm · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-jmq3-x8q7-j9qm · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-30879 · Security Note
• https://basercms.net/security/JVN_20837860 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-30879 · Vendor Advisory
• https://github.com/baserproject/basercms/releases/tag/5.2.3 · Note
• https://github.com/baserproject/basercms · Note
• https://twitter.com/CVEarity/status/2038903664790917199 · Twitter Post
• https://twitter.com/CVEnew/status/2038916053712196079 · Twitter Post
• https://twitter.com/cyberbivash/status/2038835885907558497 · Twitter Post