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 ru…
Exact source revision recorded 7 Nov 2026 18:17:29 UTC. It does not establish the source's current position. Latest evidence.
euvd · EUVD-2022-0789
PublishedHandlebars 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).
EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.
Original publisher date fields
datePublished: Sep 30, 2020, 12:30:56 PM
dateUpdated: Oct 8, 2026, 9:13:55 PM
4 related source bulletins · separate from aliases
RHSA-2020:5179: Red Hat Security Advisory: Red Hat Virtualization security, bug fix, and enhancement update
CVE-2019-20920 · CVE-2019-20922 · CVE-2020-8203
RHSA-2023:1334: Red Hat Security Advisory: Red Hat Process Automation Manager 7.13.2 security update
CVE-2017-12629 · CVE-2018-1000134 · CVE-2019-19919 · CVE-2019-20920 · CVE-2019-20922 · CVE-2021-23369 · CVE-2021-23383 · CVE-2021-26291
RHSA-2021:2500: Red Hat Security Advisory: Red Hat OpenShift Enterprise security and bug fix update
CVE-2019-20920 · CVE-2019-20922 · CVE-2021-23369 · CVE-2021-23383
RHSA-2021:3917: Red Hat Security Advisory: Red Hat Quay v3.6.0 security, bug fix and enhancement update
CVE-2017-16137 · CVE-2017-16138 · CVE-2018-1107 · CVE-2018-1109 · CVE-2018-3721 · CVE-2018-3728 · CVE-2018-3774 · CVE-2018-16492 · CVE-2018-21270 · CVE-2019-20920 · CVE-2019-20922 · CVE-2019-1010266 · CVE-2020-7608 · CVE-2020-8203 · CVE-2020-15366 · CVE-2020-26237 · CVE-2020-26291 · CVE-2020-35653 · CVE-2020-35654 · CVE-2021-23364 · CVE-2021-23368 · CVE-2021-23382 · CVE-2021-25289 · CVE-2021-25290 · CVE-2021-25291 · CVE-2021-25292 · CVE-2021-25293 · CVE-2021-27515 · CVE-2021-27516 · CVE-2021-27921 · CVE-2021-27922 · CVE-2021-27923 · CVE-2021-34552
- Source published
- Sep 30, 2020, 12:30:56 PM (timezone not stated)
- Source modified
- Oct 8, 2026, 9:13:55 PM (timezone not stated)
- Observed here
- 7 Nov 2026 18:17:29 UTC
- Source terms
- ENISA EUVD · source terms and attribution apply
Original source record · Cite this exact observation · Complete original publisher JSON
This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: euvd · ENISA EUVD · source terms and attribution apply. Source text is retained; field grouping and change labels are provided by ChangeIntel.