CVE-2021-20083

Public Exploit

Description

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.84% Top 15%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org
Affected: n/a jquery-plugin-query-object
Published at:
Updated at:

References

Link Tags
https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/jquery-query-object.md third party advisory exploit
http://packetstormsecurity.com/files/166299/WordPress-Core-5.9.0-5.9.1-Cross-Site-Scripting.html third party advisory vdb entry
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7CR6VGITIB2TXXZ6B5QRRWPU5S4BXQPD/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IJX6NVXSRN3RX3YUVEJQ4WUTQSDL3DSR/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-20083?
CVE-2021-20083 has been scored as a high severity vulnerability.
How to fix CVE-2021-20083?
To fix CVE-2021-20083, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20083 being actively exploited in the wild?
It is possible that CVE-2021-20083 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20083?
CVE-2021-20083 affects n/a jquery-plugin-query-object.
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