Vulnerability library
Security checkNovember 29, 2023

Arbitrary Code Execution in Handlebars - handlebars

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High severitynpmhandlebars

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Description

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.

Recommendation

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

  • Affected version(s): **>= 4.0.0, < 4.5.3 < 3.0.8**
  • Patched version(s): **4.5.3 3.0.8**

References

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See something that needs correcting? Let us knowUpdated November 29, 2023