Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Pimcore is an open source data and experience management platform. Versions prior to 10.5.19 and 11.0.x prior to 11.0.0-ALPHA7 have an unsecured "tooltip" field in "DataObject" class definition. This vulnerability has the potential to steal a user's cookie and gain unauthorized access to that user's account through the stolen cookie or redirect users to other malicious sites.
CWE-79 - Cross Site Scripting
Cross-Site Scripting, commonly referred to as XSS, is the most dominant class of vulnerabilities. It allows an attacker to inject malicious code into a pregnable web application and victimize its users. The exploitation of such a weakness can cause severe issues such as account takeover, and sensitive data exfiltration. Because of the prevalence of XSS vulnerabilities and their high rate of exploitation, it has remained in the OWASP top 10 vulnerabilities for years.