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


Severity High
Score 9.3/10


EverShop Web Application in versions prior to 1.0.0-rc.5 contains a Stored Cross-Site Scripting (XSS) vulnerability affecting various functionalities of the Admin Panel. Attackers can particularly inject malicious code during the creation of new products. The registration of users is also affected, which means that an unauthenticated user could store malicious code during registration which will affect administrators that visit the users' section. The latter could lead to more serious attack vectors, including account takeover.

  • LOW
  • HIGH
  • NONE
  • HIGH
  • NONE

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