CVEvulnerability

CVE-2021-32822

5.3 MEDIUM Published 2021-08-16 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-08-16
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.0 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-538, CWE-94

Description

The npm hbs package is an Express view engine wrapper for Handlebars. Depending on usage, users of hbs may be vulnerable to a file disclosure vulnerability. There is currently no patch for this vulnerability. hbs mixes pure template data with engine configuration options through the Express render API. By overwriting internal configuration options a file disclosure vulnerability may be triggered in downstream applications. For an example PoC see the referenced GHSL-2021-020.

Affected configurations

• hbs project hbs

Related

Weakness · CWE (2)

  • CWE-538 Insertion of Sensitive Information into Externally-Accessible File or Directory weakness
  • CWE-94 Improper Control of Generation of Code weakness

References