Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-21265

October is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. In October before version 1.1.2, when running on poorly configured servers (i.e. the server routes any request, regardless of the HOST header to an October CMS instance) the potential exists for Host Header Poisoning attacks to succeed. This has been addressed in version 1.1.2 by adding a feature to allow a set of trusted hosts to be specified in the application. As a workaround one may set the configuration setting cms.linkPolicy to force.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 51.9%
CVSS Severity
CVSS v3 Score 6.8
CVSS v2 Score 4.3
Products affected by CVE-2021-21265


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