Is CVE-2026-27937 actively exploited?

No active exploitation of CVE-2026-27937 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-27937 be exploited remotely?

Yes. CVE-2026-27937 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-27937?

CVE-2026-27937 has a CVSS score of 3.1 (LOW).

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LOW

CVE-2026-27937

CWE-79Published: April 21, 2026· Updated: Apr 22, 2026

3.1

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:8.8th

Official 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.

NVD Source

Technical Analysis

CVE-2026-27937 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.