CVE-2025-27914

MEDIUM

Zimbra Collaboration 9.0-10.1 - Authenticated Reflected Cross-Site Scripting via /h/rest Endpoint

Title source: llm
STIX 2.1

Description

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 and involves a crafted URL with manipulated query parameters that triggers XSS when accessed by a victim.

References (2)

Core 2

Scores

CVSS v3 5.4
EPSS 0.0026
EPSS Percentile 16.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (3)
zimbra/collaboration 9.0.0
zimbra/collaboration 10.1.0
zimbra/collaboration 10.0.0 - 10.0.11
Published Mar 12, 2025
Tracked Since Feb 18, 2026