CVE-2024-23876

A vulnerability has been reported in Cups Easy Purchase & Inventory, version 1.0, whereby user-controlled inputs are not sufficiently encoded, resulting in a Cross-Site Scripting XSS vulnerability via /cupseasylive/taxstructurecreate.php, in the description parameter. Exploitation of this...

Apple WebKit Safari 10.0.2(12602.3.12.0.1) - PrototypeMap::createEmptyStructure Universal Cross-Site Scripting

Apple WebKit Safari 10.0.212602.3.12.0.1 - PrototypeMap::createEmptyStructure Universal Cross-Site Scripting jsCallee // newTarget may be an InternalFunction if we were called from Reflect.construct. JSFunction targetFunction = jsDynamicCastnewTarget; if LIKELYtargetFunction ... return...

Apple WebKit: UXSS via PrototypeMap::createEmptyStructure

When creating an object in Javascript, its |Structure| is created with the constructor's prototype's |VM|. Here's some snippets of that routine. Structure InternalFunction::createSubclassStructureExecState exec, JSValue newTarget, Structure baseClass ... if newTarget && newTarget != exec-jsCallee...