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Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in @evershop/evershop

CVE-2023-46495

  • @evershop/evershop
Medium
6.1/10

Summary

EverShop web application in versions prior to 1.0.0-rc.8 contains a Reflected Cross-Site Scripting (XSS) vulnerability. Attackers can exploit this issue by adding a second "sortBy" parameter to the request. This unexpected behavior will return the second "sortBy" value in the page's code, potentially enabling the successful execution of XSS payloads.

  • LOW
  • NETWORK
  • LOW
  • CHANGED
  • REQUIRED
  • NONE
  • LOW
  • 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.

References

Advisory Timeline

  • Published