CVE-2026-33368

Zimbra Collaboration Suite ZCS 10.0 and 10.1 contains a reflected cross-site scripting XSS vulnerability in the Classic Webmail REST interface /h/rest. The application fails to properly sanitize user-supplied input, allowing an unauthenticated attacker to inject malicious JavaScript into a crafte...

CVE-2026-33372: Cross-Site Request Forgery (CSRF)

An issue was discovered in Zimbra Collaboration ZCS 10.0 and 10.1. A cross-site request forgery CSRF vulnerability exists in Zimbra Webmail due to improper validation of CSRF tokens. The application accepts CSRF tokens supplied within the request body instead of requiring them through the expecte...

CVE-2026-33371: Improper Restriction of XML External Entity Reference

An issue was discovered in Zimbra Collaboration ZCS 10.0 and 10.1. An XML External Entity XXE vulnerability exists in the Zimbra Exchange Web Services EWS SOAP interface due to improper handling of XML input. An authenticated attacker can submit crafted XML data that is processed by an XML parser...

CVE-2026-33369: Improper Input Validation

Zimbra Collaboration ZCS 10.0 and 10.1 contains an LDAP injection vulnerability in the Mailbox SOAP service within a FolderAction operation. The application fails to properly sanitize user-supplied input before incorporating it into an LDAP search filter. An authenticated attacker can exploit thi...

CVE-2026-33370: Improper Neutralization of Input During Web Page Generation

An issue was discovered in Zimbra Collaboration ZCS 10.0 and 10.1. A stored cross-site scripting XSS vulnerability exists in the Zimbra Briefcase feature due to insufficient sanitization of specific uploaded file types. When a user opens a publicly shared Briefcase file containing malicious...

CVE-2025-66376: Improper Neutralization of Input During Web Page Generation

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...

CVE-2025-68645: Improper Control of Filename for Include/Require Statement in PHP Program

A Local File Inclusion LFI vulnerability exists in the Webmail Classic UI of Zimbra Collaboration ZCS 10.0 and 10.1 because of improper handling of user-supplied request parameters in the RestFilter servlet. An unauthenticated remote attacker can craft requests to the /h/rest endpoint to influenc...

CVE-2025-62763: Server-Side Request Forgery (SSRF)

Zimbra Collaboration ZCS before 10.1.12 allows SSRF because of the configuration of the chat proxy...

EUVD-2023-38292

Malicious code in bioql PyPI...

CVE-2025-54390: Cross-Site Request Forgery (CSRF)

A Cross-Site Request Forgery CSRF vulnerability exists in the ResetPasswordRequest operation of Zimbra Collaboration ZCS when the zimbraFeatureResetPasswordStatus attribute is enabled. An attacker can exploit this by tricking an authenticated user into visiting a malicious webpage that silently...

CVE-2025-54391: Improper Access Control

A vulnerability in the EnableTwoFactorAuthRequest SOAP endpoint of Zimbra Collaboration ZCS allows an attacker with valid user credentials to bypass Two-Factor Authentication 2FA protection. The attacker can configure an additional 2FA method either a third-party authenticator app or email-based...

CVE-2025-53645: Uncontrolled Resource Consumption

Zimbra Collaboration ZCS before 9.0.0 Patch 46, 10.0.x before 10.0.15, and 10.1.x before 10.1.9 is vulnerable to a denial of service condition due to improper handling of excessive, comma-separated path segments in the Admin Console. An unauthenticated remote attacker can send specially crafted G...

CVE-2025-48700: Improper Neutralization of Input During Web Page Generation

An issue was discovered in Zimbra Collaboration ZCS 8.8.15 and 9.0 and 10.0 and 10.1. A Cross-Site Scripting XSS vulnerability in the Zimbra Classic UI allows attackers to execute arbitrary JavaScript within the user's session, potentially leading to unauthorized access to sensitive information...

CVE-2023-34193

File Upload vulnerability in Zimbra ZCS 8.8.15 allows an authenticated privileged user to execute arbitrary code and obtain sensitive information via the ClientUploader function...

CVE-2023-34192

Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function...

CVE-2024-45516: Improper Neutralization of Input During Web Page Generation

An issue was discovered in Zimbra Collaboration ZCS 9.0.0 before Patch 43, 10.0.x before 10.0.12, 10.1.x before 10.1.4, and 8.8.15 before Patch 47. A Cross-Site Scripting XSS vulnerability in the Zimbra Classic UI allows attackers to execute arbitrary JavaScript within the user's session,...

CVE-2025-27915: Improper Neutralization of Input During Web Page Generation

An issue was discovered in Zimbra Collaboration ZCS 9.0 and 10.0 and 10.1. A stored cross-site scripting XSS vulnerability exists in the Classic Web Client due to insufficient sanitization of HTML content in ICS files. When a user views an e-mail message containing a malicious ICS entry, its...

CVE-2025-27914: Improper Neutralization of Input During Web Page Generation

An issue was discovered in Zimbra Collaboration ZCS 9.0 and 10.0 and 10.1. A Reflected Cross-Site Scripting XSS vulnerability exists in the /h/rest endpoint, allowing authenticated attackers to inject and execute arbitrary JavaScript in a victim's session. Exploitation requires a valid auth token...

CVE-2024-45513: Improper Neutralization of Input During Web Page Generation

An issue was discovered in Zimbra Collaboration ZCS through 10.1. A stored Cross-Site Scripting XSS vulnerability exists in the /modern/contacts/print endpoint of Zimbra webmail. This allows an attacker to inject and execute arbitrary JavaScript code in the context of the victim's browser when a...

CVE-2024-45194: Improper Neutralization of Input During Web Page Generation

In Zimbra Collaboration ZCS 9.0 and 10.0, a vulnerability in the Webmail Modern UI allows execution of stored Cross-Site Scripting XSS payloads. An attacker with administrative access to the Zimbra Administration Panel can inject malicious JavaScript code while configuring an email account. This...