Prototype Pollution in jquery-deparam

Description

Improperly Controlled Modification of Object Prototype Attributes (‘Prototype Pollution’) in jquery-deparam allows a malicious user to inject properties into Object.prototype.

Recommendation

No fix is available yet. Followings are affected versions:

<= 0.5.3

References

GHSA-xg68-chx2-253g
CVE-2021-20087
CWE-1321
CAPEC-310
OWASP 2021-A6

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See something that needs correcting? Let us knowUpdated August 14, 2025