Cross-Site Scripting in sanitize-html
Affected versions of sanitize-html are vulnerable to cross-site scripting when allowedTags includes at least one nonTextTag.
Proof of Concept
var sanitizeHtml = require('sanitize-html');
var dirty = '!<textarea></textarea><svg/onload=prompt`xs`></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 software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | sanitize-html | < 1.11.4 | 1.11.4 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2017-16016
- https://github.com/punkave/sanitize-html/issues/100
- https://github.com/punkave/sanitize-html/commit/5d205a1005ba0df80e21d8c64a15bb3accdb2403
- https://github.com/punkave/sanitize-html/commit/5d205a1005ba0df80e21d8c64a15bb3accdb2403)))
- https://github.com/advisories/GHSA-xc6g-ggrc-qq4r
- https://npmjs.com/package/sanitize-html#discarding-the-entire-contents-of-a-disallowed-tag
- https://www.npmjs.com/advisories/154
- Weakness (CWE)
CWE-79- Platform
- npm
- Package
sanitize-html- Disclosed
- 09.11.2018
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-xc6g-ggrc-qq4r - CC BY 4.0
Vulnerability history: sanitize-html
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 15
- First → latest
- 11.2018 10.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 1
- Medium 12
- Low 1
Disclosures per year
- 2018: 2
- 2019: 0
- 2020: 1
- 2021: 2
- 2022: 1
- 2023: 0
- 2024: 1
- 2025: 1
- 2026: 7
-
Cross-Site Scripting in sanitize-html this entry
Know which vulnerabilities affect your application
With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.