CVE-2025-27914

MEDIUM EPSS 16.8%
Published Mar 12, 20251y ago · Modified Jun 17, 20262w ago
5.4 CVSS 3.1
Medium
Find Similar
Published Mar 12, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.4
Exploitability
2.3
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
16.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 3

VendorProductVersionRange
zimbracollaboration*≥10.0.0  –  <10.0.11
zimbracollaboration9.0.0any
zimbracollaboration10.1.0any

References 2

  • wiki.zimbra.com https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.11#Security_Fixes
    Release Notes
  • wiki.zimbra.com https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
    Technical Description

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.