Description
In Eclipse Theia versions up to and including 1.8.0, in the debug console there is no HTML escaping, so arbitrary Javascript code can be injected.
Remediation
References
https://github.com/eclipse-theia/theia/issues/8794
Related Vulnerabilities
CVE-2020-35149 Vulnerability in npm package rxdb
CVE-2020-23256 Vulnerability in npm package electerm
CVE-2020-28469 Vulnerability in maven package org.webjars.npm:glob-parent
CVE-2021-46708 Vulnerability in maven package org.webjars.npm:swagger-ui-dist
CVE-2020-5497 Vulnerability in maven package org.mitre:openid-connect-common