Description
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. This may be relevant for SSTI (Server Side Template Injection) and code execution in spring-boot-admin if MailNotifier is enabled and there is write access to environment variables via the UI.
Remediation
References
https://github.com/p1n93r/SpringBootAdmin-thymeleaf-SSTI
Related Vulnerabilities
CVE-2020-28500 Vulnerability in npm package lodash
CVE-2023-34466 Vulnerability in maven package org.xwiki.platform:xwiki-platform-tag-api
CVE-2021-23632 Vulnerability in npm package git
CVE-2020-26217 Vulnerability in maven package com.thoughtworks.xstream:xstream
CVE-2019-9155 Vulnerability in maven package org.webjars.npm:openpgp