Cross-Site Scripting in baserCMS by baserCMS
CVE-2026-93463

5.1MEDIUM

Key Information:

Vendor

Basercms User Community

Status
Basercms
Vendor
CVE Published:
30 September 2026

What is CVE-2026-93463?

A Cross-Site Scripting vulnerability exists in baserCMS due to a bypass in script validation mechanisms. This flaw allows an attacker to inject and execute arbitrary scripts in the user's web browser, potentially compromising user data and session cookies. Websites running vulnerable versions of baserCMS are at risk, emphasizing the need for timely updates to avoid exploitation.

Affected Version(s)

baserCMS 0 < 5.4.1

baserCMS 0 < 5.3.1

References

https://jvn.jp/en/jp/JVN14353754
https://basercms.net/security/JVN_14353754

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

CVSS V3.0

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.