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prismjs@1.12.0 vulnerabilities

Lightweight, robust, elegant syntax highlighting. A spin-off project from Dabblet.

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Direct Vulnerabilities

Known vulnerabilities in the prismjs package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • H
Regular Expression Denial of Service (ReDoS)

prismjs is a lightweight, robust, elegant syntax highlighting library.

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) via the Prism.languages.markup.comment regex.

PoC

var comment = /<!--[\s\S]*?-->/
for(var i = 1; i <= 50000; i++) {
  var time = Date.now();
  var attack_str = ""+"<!--".repeat(i*10000)+"-"
  comment.test(attack_str)
  var time_taken = Date.now() - time;
  console.log("attack_str.length: " + attack_str.length + ": " + time_taken+" ms")
}

How to fix Regular Expression Denial of Service (ReDoS)?

Upgrade prismjs to version 1.25.0 or higher.

<1.25.0
  • H
Regular Expression Denial of Service (ReDoS)

prismjs is a lightweight, robust, elegant syntax highlighting library.

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) via the prism-asciidoc and prism-erb components. 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.

How to fix Regular Expression Denial of Service (ReDoS)?

Upgrade prismjs to version 1.24.0 or higher.

<1.24.0
  • H
Regular Expression Denial of Service (ReDoS)

prismjs is a lightweight, robust, elegant syntax highlighting library.

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) via the prism-asciidoc, prism-rest, prism-tap and prism-eiffel components.

How to fix Regular Expression Denial of Service (ReDoS)?

Upgrade prismjs to version 1.23.0 or higher.

<1.23.0
  • H
Cross-site Scripting (XSS)

prismjs is a lightweight, robust, elegant syntax highlighting library.

Affected versions of this package are vulnerable to Cross-site Scripting (XSS) via the easing preview of the Previewers plugin. It allows attackers to execute arbitrary code in Safari and Internet Explorer.

How to fix Cross-site Scripting (XSS)?

Upgrade prismjs to version 1.21.0 or higher.

>=1.1.0 <1.21.0
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