8.1

CVE-2019-20920

Exploit

Handlebars before 3.0.8 and 4.x before 4.5.3 is vulnerable to Arbitrary Code Execution. The lookup helper fails to properly validate templates, allowing attackers to submit templates that execute arbitrary JavaScript. This can be used to run arbitrary code on a server processing Handlebars templates or in a victim's browser (effectively serving as XSS).

Data is provided by the National Vulnerability Database (NVD)
Handlebarsjs ≫ Handlebars SwPlatformnode.js Version < 3.0.8
Handlebarsjs ≫ Handlebars SwPlatformnode.js Version >= 4.0.0 < 4.5.3
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.34% 0.563
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 8.1 2.2 5.3
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L
nvd@nist.gov 6.8 8.6 6.4
AV:N/AC:M/Au:N/C:P/I:P/A:P
CWE-94 Improper Control of Generation of Code ('Code Injection')

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

https://www.npmjs.com/advisories/1316
Third Party Advisory
Exploit