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MEDIUM6.3

GHSA-f98w-7cxr-ff2h

KaTeX's `\includegraphics` does not escape filename

Quick fix

GHSA-f98w-7cxr-ff2h — katex: upgrade to the fixed version with the command below.

npm install katex@0.16.10

Details

### Impact KaTeX users who render untrusted mathematical expressions could encounter malicious input using `\includegraphics` that runs arbitrary JavaScript, or generate invalid HTML.

### Patches Upgrade to KaTeX v0.16.10 to remove this vulnerability.

### Workarounds * Avoid use of or turn off the `trust` option, or set it to forbid `\includegraphics` commands. * Forbid inputs containing the substring `"\\includegraphics"`. * Sanitize HTML output from KaTeX.

### Details `\includegraphics` did not properly quote its filename argument, allowing it to generate invalid or malicious HTML that runs scripts.

### For more information If you have any questions or comments about this advisory:

* Open an issue or security advisory in the [KaTeX repository](https://github.com/KaTeX/KaTeX/) * Email us at katex-security@mit.edu

Are you affected?

Enter the version of the package you're using.

Affected packages

npm/katex
Introduced in: 0.11.0Fixed in: 0.16.10
Fixnpm install katex@0.16.10

References