1. Introduction Vendor : Yab Affected Product : Quarx through 2.4.3 Fixed in : Quarx 2.4.5 and 2.4.6 Vendor Website : https://quarxcms.com/ Vulnerability Type : Persistent XSS Remote Exploitable : Yes CVE External Identifier : CVE-2018-7274 2. Technical Description There are multiple Persistent XSS vulnerabilities in Quarx Content Management System. These vulnerabilities exists due to insufficient sanitization of user-supplied data. 3. Affected pages and parameters: Blog -> 'Title' FAQ -> 'Question' Pages -> 'Title' Widgets -> 'Name' Menus -> 'Name' 5. Credit Preethi Koroth (@p3core0ath) 6. Reference: https://github.com/YABhq/Quarx/issues/115