Sylius Mollie Plugin provides Mollie payment integration for Sylius applications. Prior to 2.2.8, 3.2.4, and 3.3.1, Sylius Mollie Plugin's GET /{_locale}/thank-you PageRedirectController::thankYouAction and GET /{_locale}/get-code QrCodeAction::fetchQrCodeFromOrder endpoints look up sequential orderId values without ownership or session checks, exposing order tokenValue values that can be used with GET /{_locale}/register-after-checkout/{tokenValue} to view customer first name, last name, and email. This issue is fixed in 2.2.8, 3.2.4, and 3.3.1.
https://github.com/Sylius/MolliePlugin/security/advisories/GHSA-x83g-979r-f5fh
https://github.com/Sylius/MolliePlugin/releases/tag/v3.3.1
https://github.com/Sylius/MolliePlugin/releases/tag/v3.2.4
https://github.com/Sylius/MolliePlugin/releases/tag/v2.2.8
https://github.com/Sylius/MolliePlugin/pull/354
https://github.com/Sylius/MolliePlugin/pull/352
https://github.com/Sylius/MolliePlugin/pull/351
https://github.com/Sylius/MolliePlugin/commit/d1f7753e92106e8bf3bedcfc61b02ea7b8e1c38a
https://github.com/Sylius/MolliePlugin/commit/153c754486b1bc597b67a90ac07ef71cd7958267
https://github.com/Sylius/MolliePlugin/commit/01316b3ad3cf82e3c5ad160115d0a2cf89174e49