VulnerabilityModified
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.
HIGH 8.8EPSS 4.19%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a 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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.19% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-1321
- Affected
- jquery-plugin-query-object project/jquery-plugin-query-object
- Source
- vulnreport@tenable.com
References
- http://packetstormsecurity.com/files/166299/WordPress-Core-5.9.0-5.9.1-Cross-Site-Scripting.htmlThird Party Advisory, VDB Entry
- https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/jquery-query-object.mdExploit, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7CR6VGITIB2TXXZ6B5QRRWPU5S4BXQPD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IJX6NVXSRN3RX3YUVEJQ4WUTQSDL3DSR/
- http://packetstormsecurity.com/files/166299/WordPress-Core-5.9.0-5.9.1-Cross-Site-Scripting.htmlThird Party Advisory, VDB Entry
- https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/jquery-query-object.mdExploit, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7CR6VGITIB2TXXZ6B5QRRWPU5S4BXQPD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IJX6NVXSRN3RX3YUVEJQ4WUTQSDL3DSR/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.