CVE-2019-20920 — Vulnetix

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CVE-2019-20920 PUBLISHED

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).

EPSS 0.37% · 58.3th percentile

Risk Scores

EPSS Score

0.37%

58.3th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:18.04:LTS	node-handlebars	0, 3:4.0.10-5

Timeline

Oct 23, 2018 PoC Published
Sep 30, 2020 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Dec 25, 2021 EPSS Score
Feb 4, 2022 EPSS Score
Feb 25, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Aug 31, 2022 EPSS Score
Jan 2, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2019-20920 third-party-advisory
https://snyk.io/vuln/SNYK-JS-HANDLEBARS-534478 third-party-advisory
https://www.npmjs.com/advisories/1316 third-party-advisory
https://www.npmjs.com/advisories/1324 third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2019-20920 third-party-advisory

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