ByteOS Network

NVD Vulnerability Details :

CVE-2021-20087

Modified

Source-vulnreport@tenable.com

Published At-23 Apr, 2021 | 18:15

Updated At-14 Aug, 2025 | 21:15

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in jquery-deparam 0.5.1 allows a malicious user to inject properties into Object.prototype.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary	2.0	6.5	MEDIUM	AV:N/AC:L/Au:S/C:P/I:P/A:P

CPE Matches

acemetrix>>jquery-deparam>>0.5.1

cpe:2.3:a:acemetrix:jquery-deparam:0.5.1:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-1321	Primary	nvd@nist.gov

References

Hyperlink	Source	Resource
https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/jquery-deparam.md	vulnreport@tenable.com	Exploit Third Party Advisory
https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/jquery-deparam.md	af854a3a-2127-422b-91ae-364da2661108	Exploit Third Party Advisory
https://github.com/RetireJS/retire.js/blob/6da45fcb6a3425e55ee8181b2ac35168879bf086/repository/jsrepository-master.json#L824-L842	af854a3a-2127-422b-91ae-364da2661108	N/A

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History