---
title: "Security digest: May 30, 2023"
url: https://erroneo.us/security/2023-05-30/
description: "May 30, 2023 vulnerability digest: 1 brief (Zimbra CVE-2023-34192: 2023 XSS Added to KEV in…). What to patch and who can relax."
type: security-digest-day
section: "Security Digest"
date_published: 2023-05-30
date_modified: 2026-10-23
publisher: erroneo.us
author: erroneo.us Security Desk
license: All rights reserved. Quote with attribution and a link.
---

# Security digest: May 30, 2023

1 editorial brief.

## Take stock

- Check exposure: Zimbra CVE-2023-34192: 2023 XSS Added to KEV in 2025 . Anyone still running Zimbra Collaboration 8.8.15, and above all servers below Patch 40 or with the web client reachable from the internet.
- None of it touches your stack? Then there is nothing to do today. That is a result, not a failure to read carefully.

## Editorial briefs

- **Check exposure** [Zimbra CVE-2023-34192: 2023 XSS Added to KEV in 2025](https://erroneo.us/security/briefs/zimbra-8-8-15-cve-2023-34192-autosavedraft-xss/index.md): The bug was fixed in May 2023 and only hits Zimbra 8.8.15; the real problem is any 8.8.15 server still running, because that branch stopped receiving fixes at the end of 2024.

## Known exploited (CISA KEV)

None.

## Critical advisories

None.

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Source page: https://erroneo.us/security/2023-05-30/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt