GHSA-J3R3-MXQP-R2P4 Angular SSR: XSS via Unescaped Processing Instruction (<?...?>) Nodes in Fallback Raw-Content Elements

Summary An XSS vulnerability exists in @angular/platform-server during server-side rendering SSR HTML serialization of ProcessingInstruction DOM nodes , nodeType === 7 when nested inside fallback raw-content elements , , , . While processing instruction data escaped to , it did not check for or...