QID 981150

QID 981150: Nodejs (npm) Security Update for handlebars (GHSA-9prh-257w-9277)

Versions of `handlebars` prior to 4.0.0 are affected by a cross-site scripting vulnerability when attributes in handlebar templates are not quoted.

## Proof of Concept
Template:
```<a href={{foo}}/>```

Input:
```{ 'foo' : 'test.com onload=alert(1)'}```

Rendered result:
```<a href=test.com onload=alert(1)/>```

## Recommendation

Update to version 4.0.0 or later.
Alternatively, ensure that all attributes in handlebars templates are encapsulated with quotes.

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-9prh-257w-9277 for updates pertaining to this vulnerability.

Vendor References

GHSA-9prh-257w-9277 - github.com/advisories/GHSA-9prh-257w-9277

CVEs related to QID 981150

CVE-2015-8861 |

Software Advisories

Advisory ID	Software	Component	Link
GHSA-9prh-257w-9277	handlebars		github.com/advisories/GHSA-9prh-257w-9277

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