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


Severity Medium
Score 6.1/10


RisingStack protect version 1.2.0 and earlier contains a Cross Site Scripting (XSS) vulnerability in isXss() function in lib/rules/xss.js that can result in dangerous XSS strings being validated as safe. This attack appears to be exploitable via A number of XSS strings(26) detailed in the GitHub issue #16.

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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