CVE-2021-20083

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in jquery-plugin-query-object 2.2.3 allows a malicious user to inject properties into Object.prototype.

Affected

jquery-plugin-query-object

CVSS v3.1 NVD

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS

4.19% chance of exploitation in the next 30 days, 91st percentile

Published

2021-04-23

Updated

2024-08-03

Proof-of-concept exploits (1)

• BlackFan/client-side-prototype-pollution/blob/master/pp/jquery-query-object.md1656★ · 2024-01-27

Security advisories

• http://packetstormsecurity.com/files/166299/WordPress-Core-5.9.0-5.9.1-Cross-Site-Scripti…
• advisories/GHSA-q9xg-h756-8689

References

• CVE Record
• NVD entry

Related

• CVE-2021-20084
• CVE-2021-20085
• CVE-2021-20086
• CVE-2021-20087
• CVE-2021-20088
• CVE-2021-20089