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OpenAdvisories
Low · 3.1 CVE-2026-27937 EUVD-2026-24157GHSA-jj38-h5w5-mvpf

October: Reflected XSS via DataTable Form Widget

Published Apr 21, 2026 · Updated Apr 21, 2026 · Assigned by GitHub_M

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.

Affected products

VendorProductAffectedFixed
octobercms october >= 4.0.0, < 4.1.16, < 3.7.16 —

Affected packages

EcosystemPackageAffectedFixedRecord
Packagist october/system < 3.7.16 3.7.16 GHSA-jj38-h5w5-mvpf
Packagist october/system >= 4.0.0 — GHSA-jj38-h5w5-mvpf

References