CVE-2018-25269 MEDIUM

CVE-2018-25269: ICEWARP 11.0.0.0 Cross-Site Scripting via Email HTML Injection

Vendor Icewarp
Product ICEWARP Client
Weakness CWE-79 · XSS
Published April 22, 2026
Last update May 25, 2026

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

What the vulnerability does

01Description

ICEWARP 10.3.4 and 11.0.0.0 contains a cross-site scripting vulnerability that allows attackers to inject malicious HTML elements into emails by embedding base64-encoded payloads in object and embed tags. Attackers can craft emails containing data URIs with embedded scripts that execute in the client when the email is viewed, compromising user sessions and stealing sensitive information.

Key dates

02Disclosure timeline

April 22, 2026 CVE published
May 25, 2026 Record updated