CVE-2021-20083 – WordPress Core < 5.9.1 - jQuery Prototype Pollution

https://notcve.org/view.php?id=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. Una Modificación Controlada Inapropiadamente de Object Prototype Attributes ("Prototype Pollution") en jquery-plugin-query-object versión 2.2.3, permite a un usuario malicioso inyectar propiedades en Object.prototype • http://packetstormsecurity.com/files/166299/WordPress-Core-5.9.0-5.9.1-Cross-Site-Scripting.html https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/jquery-query-object.md 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 • CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') •