Thymeleaf through 3.1.1.RELEASE, as used in spring-boot-admin (aka Spring Boot Admin) through 3.1.1 and other products, allows sandbox bypass via crafted HTML.
CVSS 3.1HIGH 7.5·Network·Low privileges·No interaction·EPSS 0.00966·Published 2023-07-14·Fixed in 3.1.2, 2.7.16CWE-77