CVE-2018-15903

CVE-2018-15903 describes a stored Cross-Site Scripting (XSS) vulnerability in the Discuss v1.2.1 module of Claromentis 8.2.2. An authenticated, low-privilege attacker can inject malicious JavaScript into the discussion forum, which is displayed on the login page. This allows for the theft of session cookies from high-privilege users, leading to session hijacking and unauthorized actions within their security context. The vulnerability has a CVSS score of 5.4 (Medium), indicating a network-based attack with low complexity and requiring user interaction, resulting in partial impact to confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.