PT-2026-34465 · Icewarp · Icewarp

Published 2026-04-22 · Updated 2026-04-22 · CVE-2018-25269

NVD

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2018-25269

Affected Products

Icewarp

References · 4

• 🔥 https://exploit-db.com/exploits/45974 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-25269 · Security Note
• https://vulncheck.com/advisories/icewarp-cross-site-scripting-via-email-html-injection · Note
• http://icewarp.com · Note