The Hammas Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'apix' parameter in the 'hp-calendar-manage-redirect' shortcode in all versions up to, and including, 1.5.11 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Attack Parameters
Attack Vector
Network
Атака возможна удалённо
Attack Complexity
Low
Легко эксплуатировать
Privileges Required
Low
Нужны базовые права
User Interaction
None
Не нужно действие пользователя
Impact Assessment
Confidentiality
Low
Частичная утечка данных
Integrity
Low
Частичная модификация данных
Availability
None
Нет нарушения работы
CVSS Vector v3.1
Weakness Type (CWE)
References 4
https://plugins.trac.wordpress.org/browser/hammas-calendar/tags/1.5.11/hp-calen…
security@wordfence.com
https://plugins.trac.wordpress.org/browser/hammas-calendar/tags/1.5.11/src/HpPl…
security@wordfence.com
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&ol…
security@wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/03956922-988a-4cb6-bf…
security@wordfence.com