Vulnerability library
Security checkAugust 12, 2025

content-security-policy-parser Prototype Pollution Vulnerability May Lead to RCE

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High severitynpmcontent-security-policy-parser

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Description

A prototype pollution vulnerability exists in versions 0.5.0 and earlier, wherein if you provide a policy name called __proto__ you can override the Object prototype.

Recommendation

Update the content-security-policy-parser package to the latest compatible version. Followings are version details:

  • Affected version(s): < 0.6.0
  • Patched version(s): 0.6.0

References

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See something that needs correcting? Let us knowUpdated August 12, 2025