An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 8.8.15. XSS can occur, via one of attributes of the webmail /h/ endpoint, to execute arbitrary JavaScript code, leading to information disclosure.
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 |