CVE-2019-19919

Description

Versions of handlebars prior to 4.3.0 are vulnerable to Prototype Pollution leading to Remote Code Execution. Templates may alter an Object's __proto__ and __defineGetter__ properties, which may allow an attacker to execute arbitrary code through crafted payloads.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 16.91% Top 10%
Third-Party Advisory npmjs.com Third-Party Advisory tenable.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.npmjs.com/advisories/1164 third party advisory
https://www.tenable.com/security/tns-2021-14 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2019-19919?
CVE-2019-19919 has been scored as a critical severity vulnerability.
How to fix CVE-2019-19919?
To fix CVE-2019-19919, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-19919 being actively exploited in the wild?
It is possible that CVE-2019-19919 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~17% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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