KaTeX \htmlData does not validate attribute names
ImpactKaTeX users who render untrusted mathematical expressions with `renderToString` could encounter malicious input using `\htmlData` that runs arbitrary JavaScript, or generate invalid HTML.PatchesUpgrade to KaTeX v0.16.21 to remove this vulnerability.WorkaroundsAvoid use of or turn off the `trust` option, or set it to forbid `\htmlData` commands.Forbid inputs containing the substring `"\\htmlData"`.Sanitize HTML output from KaTeX.Details`\htmlData` did not validate its attribute name argument, allowing it to generate invalid or malicious HTML that runs scripts.For more informationIf 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](mailto:katex-security@mit.edu)