Advisories for Npm/Prismjs package

2022

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

Prism is a syntax highlighting library. Starting with version 1.14.0 and prior to version 1.27.0, Prism's command line plugin can be used by attackers to achieve a cross-site scripting attack. The command line plugin does not properly escape its output, leading to the input text being inserted into the DOM as HTML code. Server-side usage of Prism is not impacted. Websites that do not use the Command Line plugin are …

2021

Uncontrolled Resource Consumption

Prism is a syntax highlighting library. Some languages is vulnerable to Regular Expression Denial of Service (ReDoS). When Prism is used to highlight untrusted (user-given) text, an attacker can craft a string that will take a very very long time to highlight. As a workaround, do not use ASCIIDoc or ERB to highlight untrusted text. Other languages are not affected and can be used to highlight untrusted text.

2020

Cross-site Scripting

Prism is vulnerable to Cross-Site Scripting. The easing preview of the previewer plugin has an XSS vulnerability that allows attackers to execute arbitrary code in Safari and Internet Explorer.