An issue was discovered in Zimbra Collaboration (ZCS) through 10.1. A Cross-Site Scripting (XSS) vulnerability exists in Zimbra webmail due to insufficient validation of the content type metadata when importing files into the briefcase. Attackers can exploit this issue by crafting a file with manipulated metadata, allowing them to bypass content type checks and execute arbitrary JavaScript within the victim's session.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Link | Tags |
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https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories | vendor advisory |
https://wiki.zimbra.com/wiki/Security_Center | release notes |
https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy | product |
https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.9#Security_Fixes | release notes |