Zimbra has patched critical vulnerabilities, including Stored XSS (CVE-2025-27915), SQL Injection (CVE-2025-25064), and SSRF (CVE-2025-25065). Learn about the risks, potential impact, and how to secure your Zimbra Collaboration Suite with the latest updates.

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Zimbra Collaboration Suite has patched critical vulnerabilities including stored XSS, SQL injection, and SSRF. These vulnerabilities could allow unauthorized email forwarding, data exfiltration, and internal network access. Administrators are advised to update to the latest patches, implement input validation, use WAFs, and follow security best practices to mitigate risks.

SQLi, XSS, and SSRF: Breaking Down Zimbra’s Latest Security Threats

General Recommendations for Zimbra Administrators