Subrion CMS Cross-site Scripting

MEDIUM 6.1CVE-2018-14840 · GHSA-vhqr-3gr2-7px9 · Published 02/08/2018 · updated 17/06/2026

In short

CVE-2018-14840 is a MEDIUM (CVSS 6.1) vulnerability affecting intelliants/subrion, subrion (intelliants).
Chance of exploitation in the next 30 days (EPSS): 3.7%, higher than 89.6% of all vulnerabilities.
Fix: update to 4.2.2 or later.

Package	Affected versions	Patched versions
intelliants/subrion Packagist	`< 4.2.2`	`4.2.2`
subrion intelliants	`= 4.2.1`	No fix yet

uploads/.htaccess in Subrion CMS 4.2.1 allows XSS because it does not block .html file uploads (but does block, for example, .htm file uploads).

NVD description

uploads/.htaccess in Subrion CMS 4.2.1 allows XSS because it does not block .html file uploads (but does block, for example, .htm file uploads).

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Package

Affected versions

Patched versions

Packagist

< 4.2.2

4.2.2

= 4.2.1

No fix yet

Description

uploads/.htaccess in Subrion CMS 4.2.1 allows XSS because it does not block .html file uploads (but does block, for example, .htm file uploads).

NVD description

uploads/.htaccess in Subrion CMS 4.2.1 allows XSS because it does not block .html file uploads (but does block, for example, .htm file uploads).

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