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106 records

Priority LOW 25

Zimbra is vulnerable to stored cross-site scripting (XSS) via the Content-Location MIME header in email attachments.

CVSS 4.0MEDIUM 5.3 Network No auth User interaction EPSS 0.0054 Published 2026-10-29 Fixed in 10.1.21 CWE-79
Priority LOW 29

A mailbox quota-accounting vulnerability in Zimbra Collaboration Suite (ZCS) allows an authenticated user to consume another user’s mailbox quota by repeatedly sharing and revoking a document.

CVSS 3.1MEDIUM 6.5 Network Low privileges No interaction EPSS 0.00383 Published 2026-10-23 No fix listed CWE-682
Priority LOW 23

An SMTP command injection vulnerability in the data-source testing functionality of Zimbra Collaboration Suite (ZCS) allows an ordinary authenticated user with account options enabled to inject CR/LF into the emailAddres…

CVSS 3.1MEDIUM 4.3 Network Low privileges No interaction EPSS 0.00748 Published 2026-10-23 No fix listed CWE-93
Priority LOW 27

A reflected cross-site scripting vulnerability in the login page of Zimbra Collaboration Suite (ZCS) allows an unauthenticated attacker to execute JavaScript through the zrememberme parameter.

CVSS 3.1MEDIUM 6.1 Network No auth User interaction EPSS 0.00296 Published 2026-10-23 No fix listed CWE-79
Priority LOW 20

An LDAP filter injection vulnerability in Zimbra Collaboration Suite (ZCS) allows an authenticated user to query otherwise unreturned attributes of calendar resources through SearchCalendarResourcesRequest.

CVSS 3.1MEDIUM 4.3 Network Low privileges No interaction EPSS 0.00344 Published 2026-10-23 No fix listed CWE-90
Priority LOW 20

A cross-account authorization vulnerability in Zimbra Collaboration Suite (ZCS) allows an authenticated user to insert forged shared-file records into another user's mailbox through FileSharedWithMeRequest.

CVSS 3.1MEDIUM 4.3 Network Low privileges No interaction EPSS 0.00271 Published 2026-10-23 No fix listed CWE-639
Priority LOW 24

A CSS sanitization vulnerability in Zimbra Collaboration Suite (ZCS) allows an authenticated user with Briefcase access to publish a document that displays attacker-controlled content under the Zimbra origin.

CVSS 3.1MEDIUM 5.4 Network Low privileges User interaction EPSS 0.00234 Published 2026-10-23 No fix listed CWE-79
Priority LOW 30

A cross-site request forgery vulnerability in the OAuth extension of Zimbra Collaboration Suite (ZCS) Network Edition allows an attacker to link an attacker-controlled external account to a victim's mailbox.

CVSS 3.1HIGH 7.1 Network No auth User interaction EPSS 0.00175 Published 2026-10-23 No fix listed CWE-352
Priority LOW 39

A request attribute override vulnerability in Zimbra Collaboration Suite (ZCS) allows unauthenticated requests to /h/* to populate servlet attributes intended for trusted internal dispatch.

CVSS 3.1HIGH 8.7 Network Low privileges User interaction EPSS 0.00289 Published 2026-10-23 No fix listed CWE-642
Priority LOW 16

In Zimbra Collaboration (ZCS) before 10.1.17, a Cross-Site Request Forgery (CSRF) vulnerability exists in the Exchange Web Services (EWS) endpoint of Zimbra Collaboration (ZCS) due to insufficient validation of request c…

CVSS 3.1LOW 3.5 Network Low privileges User interaction EPSS 0.00154 Published 2026-08-13 Fixed in 10.1.17 CWE-352
TI-2026-51663 CVE-2026-73573 · GHSA-rwrq-wv6j-q425

Path traversal in Zimbra Collaboration

Priority LOW 29

In Zimbra Collaboration (ZCS) before 10.1.17, a path traversal vulnerability exists in the Zimbra Briefcase document editing functionality due to improper validation of the packages parameter.

CVSS 3.1MEDIUM 6.5 Network Low privileges No interaction EPSS 0.00451 Published 2026-08-13 Fixed in 10.1.17 CWE-24
TI-2026-51662 CVE-2026-73572 · GHSA-4644-7rc8-9cw4

Cross-site scripting in Zimbra Collaboration

Priority LOW 27

In Zimbra Collaboration (ZCS) before 10.1.17, a stored cross-site scripting (XSS) vulnerability exists in the Zimbra Classic Web Client due to insufficient sanitization of specific attachment content during inline previe…

CVSS 3.1MEDIUM 6.1 Network No auth User interaction EPSS 0.00263 Published 2026-08-13 Fixed in 10.1.17 CWE-79
Priority LOW 20

An authorization bypass vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.17 due to improper authorization validation in delegated email sending functionality.

CVSS 3.1MEDIUM 4.3 Network Low privileges No interaction EPSS 0.00258 Published 2026-08-13 Fixed in 10.1.17 CWE-863
TI-2026-51660 CVE-2026-73570 · GHSA-jqh7-pchh-v74j

OS command injection in Zimbra Collaboration

Priority CRITICAL 98KEV

A remote code execution vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.20 when the optional zimbra-snmp package is installed and SNMP notifications are enabled.

CVSS 3.1HIGH 8.9 Network No auth No interaction EPSS 0.71663 Published 2026-08-13 Fixed in 10.1.20 CWE-78
TI-2025-40820 CVE-2025-66376 · GHSA-h7wg-85fj-3c6g

Cross-site scripting in Zimbra Collaboration

Priority CRITICAL 89KEV

Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTML e-mail message.

CVSS 3.1HIGH 7.2 Network No auth No interaction EPSS 0.20227 Published 2026-01-05 Fixed in 10.0.18, 10.1.13 CWE-79
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