Vulnerability library
Security checkFebruary 07, 2024

Arbitrary Code Execution in handlebars

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High severitynpmhandlebars

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Description

Versions of handlebars prior to 3.0.8 or 4.5.2 are vulnerable to Arbitrary Code Execution. The package’s lookup helper fails to properly validate templates, allowing attackers to submit templates that execute arbitrary JavaScript in the system.

Recommendation

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

  • Affected version(s): **>= 4.0.0, < 4.5.2 < 3.0.8**
  • Patched version(s): **4.5.2 3.0.8**

References

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See something that needs correcting? Let us knowUpdated February 07, 2024