Maliciously crafted E-Mail attachment names could be used to temporarily execute script code in the context of the users browser session. Common user interaction is required for the vulnerability to trigger. Attackers could perform malicious API requests or extract information from the users account. Please deploy the provided updates and patch releases. We now use safer methods of handling external content when embedding attachment information to the web interface. No publicly available exploits are known.
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')