Description
An issue was discovered in EspoCRM before 5.6.9. Stored XSS in the body of an Article was executed when a victim opens articles received through mail. This Article can be formed by an attacker using the Knowledge Base feature in the tab list. The attacker could inject malicious JavaScript inside the body of the article, thus helping him steal victims' cookies (hence compromising their accounts).
Remediation
References
Related Vulnerabilities
WordPress Plugin Showbiz Pro Responsive Teaser Arbitrary File Upload (1.7.1)
Moodle Permissions, Privileges, and Access Controls Vulnerability (CVE-2012-5481)
Opencart Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2010-1610)
Grafana Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2019-19499)
SharePoint Unrestricted Upload of File with Dangerous Type Vulnerability (CVE-2020-0931)