Persistent and reflected XSS vulnerabilities in the themeMode cookie and _h URL parameter of Axigen Mail Server up to version 10.5.28 allow attackers to execute arbitrary Javascript. Exploitation could lead to session hijacking, data leakage, and further exploitation via a multi-stage attack. Fixed in versions 10.3.3.67, 10.4.42, and 10.5.29.

Persistent and reflected XSS vulnerabilities in the themeMode cookie and _h URL parameter of Axigen Mail Server up to version 10.5.28 allow attackers to execute arbitrary Javascript. Exploitation could lead to session hijacking, data leakage, and further exploitation via a multi-stage attack. Fixed in versions 10.3.3.67, 10.4.42, and 10.5.29.