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


Severity Medium
Score 5.4/10


Cross-site scripting (XSS) vulnerability in Gleez CMS 1.2.0 and 2.0 might allow remote attackers (users) to inject JavaScript via HTML content in an editor, which will result in Stored XSS when an Administrator tries to edit the same content, as demonstrated by use of the source editor for HTML mode in an Add Blog action.

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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