What’s Vulnerable › Vulnerabilities
CVE-2026-27937: October: Reflected XSS via DataTable Form Widget
- Severity: low (CVSS 3.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-04-21 · updated 2026-10-26
- Weakness: CWE-79
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
- octobercms october: from 4.0.0, < 4.1.16; before 3.7.16
References
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