QID 983081

QID 983081: Nodejs (npm) Security Update for sanitize-html (GHSA-xc6g-ggrc-qq4r)

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.

Successful exploitation of this vulnerability may affect the confidentiality, integrity, and availability of the targeted user.

CVSS V3 rated as High - 6.1 severity.

CVSS V2 rated as Medium - 4.3 severity.

Solution

Customers are advised to refer to GHSA-xc6g-ggrc-qq4r for updates pertaining to this vulnerability.

Vendor References

GHSA-xc6g-ggrc-qq4r - github.com/advisories/GHSA-xc6g-ggrc-qq4r

CVEs related to QID 983081

CVE-2017-16016 |

Software Advisories

Advisory ID	Software	Component	Link
GHSA-xc6g-ggrc-qq4r	sanitize-html		github.com/advisories/GHSA-xc6g-ggrc-qq4r

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