CVE-2026-27937 — LOW (3.1) — White Hats Nepal

Vulnerability Description

October is a Content Management System (CMS) and web platform. Prior to 3.7.16 and 4.1.16, a reflected Cross-Site Scripting (XSS) vulnerability was identified in the backend DataTable widget where a query parameter was rendered without proper output escaping. This vulnerability is fixed in 3.7.16 and 4.1.16.

CVSS Score

3.1

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-79

References

https://github.com/octobercms/october/security/advisories/GHSA-jj38-h5w5-mvpf

FAQ

What is CVE-2026-27937?

CVE-2026-27937 is a vulnerability with a CVSS score of 3.1 (LOW). October is a Content Management System (CMS) and web platform. Prior to 3.7.16 and 4.1.16, a reflected Cross-Site Scripting (XSS) vulnerability was identified in the backend DataTable widget where a q...

How severe is CVE-2026-27937?

CVE-2026-27937 has been rated LOW with a CVSS base score of 3.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-27937?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.