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CVE-2021-23369: handlebars before 4.7.7 (exclusive), unspecified to before 4.7.7
CVE-2021-23369. CVSS 3.1 base score 9.8 (CRITICAL, NVD). EPSS 0.07028 (percentile 0.94023), scored 2026-10-08.
Affected technology
handlebars · before 4.7.7 (exclusive)
handlebarsjs
handlebars · unspecified to before 4.7.7
Vendor not specified by the source
Description’s affected range: before 4.7.7
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Vendor/CNA’s CVSS 3.1 assessment (base score 5.6/10) rates confidentiality, integrity and availability impact as low. NVD’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 41.0 /100 (P3)
- CVSS 3.1
- 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · NVD
- EPSS
- 0.07028 · percentile 0.94023 · 2026-10-08
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-09 03:13:32.966430+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2021-23369.html