Live › vulnerability › CVE-2023-34192
Go to dashboardZimbra Collaboration Suite has a cross-site scripting flaw in the /h/autoSaveDraft endpoint that lets a logged-in user run script in another user's session. Attackers exploit it in the wild, and the sources say it can lead to arbitrary code execution.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Synacor Zimbra Collaboration Suite (ZCS) | vendor | – | – |
| synacor zimbra collaboration suite | vendor | = 8.8.15 | – |
Unknown from the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting (XSS) vulnerability that allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function.
CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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