Generated remediation guidance and an executive summary. No account required.
October CMS version prior to build 437 contains a Cross Site Scripting (XSS) vulnerability in the Media module and create folder functionality that can result in an Authenticated user with media module permission creating arbitrary folder name with XSS content. This attack appear to be exploitable via an Authenticated user with media module permission who can create arbitrary folder name (XSS). This vulnerability appears to have been fixed in build 437.
Use CWE-79, Octobercms vendor hub and October product page to widen CVE-2018-1999008 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2025-61676, CVE-2025-61674 and CVE-2024-25837 for nearby disclosures in the same product family.