Stored Cross-Site Scripting in baserCMS by baserCMS
CVE-2026-93460

5.1MEDIUM

Key Information:

Vendor

Basercms User Community

Status
Basercms
Vendor
CVE Published:
30 September 2026

What is CVE-2026-93460?

A vulnerability exists in baserCMS that allows for Stored Cross-Site Scripting through the inclusion of appended strings in email form fields. If successfully exploited, this flaw enables an attacker to execute arbitrary scripts within the web browser of affected users, potentially leading to unauthorized actions and data leakage.

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

.