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Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')


Severity Medium
Score 4.3/10


Multiple cross-site scripting (XSS) vulnerabilities in IceWarp eMail Server and WebMail Server before 9.4.2 allow remote attackers to inject arbitrary web script or HTML via (1) the body of a message, related to the email view and incorrect HTML filtering in the cleanHTML function in server/inc/tools.php; or the (2) title, (3) link, or (4) description element in an RSS feed, related to the getHTML function in server/inc/rss/item.php.

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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.


Advisory Timeline

  • Published