JSON:API PATCH requests may bypass validation for certain fields.
By default, JSON:API works in a read-only mode which makes it impossible to exploit the vulnerability. Only sites that have the `rea…
In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, validation messages are not escaped, which can lead to XSS when user input is included. Th…