Prototype Pollution in handlebars - handlebars - GHSA-q42p-pg8m-cqh6

Description

Versions of handlebars prior to 4.0.14 are vulnerable to Prototype Pollution. Templates may alter an Objects’ prototype, thus allowing an attacker to execute arbitrary code on the server.

Recommendation

Update the handlebars package to the latest compatible version. Followings are version details:

• Affected version(s): **< 3.0.7

  >= 4.0.0, < 4.0.14

  >= 4.1.0, < 4.1.2**

• Patched version(s): **3.0.7

  4.0.14

  4.1.2**

References

• GHSA-q42p-pg8m-cqh6
• snyk.io
• www.npmjs.com
• CWE-471
• OWASP 2021-A3