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

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-04-22 · updated 2026-06-17
Weakness: CWE-79

Description

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.

Affected products

IceWarp: 11.0.0.0

References

http://www.icewarp.com/
https://www.exploit-db.com/exploits/45974
https://www.vulncheck.com/advisories/icewarp-cross-site-scripting-via-email-html-injection

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