Description
ICEWARP 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.
Published: 2026-04-22
Score: 5.1 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Client‑side XSS allowing session hijacking and data theft
Action: Update Client
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 22 Apr 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 22 Apr 2026 15:30:00 +0000

Type Values Removed Values Added
Description ICEWARP 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.
Title ICEWARP 11.0.0.0 Cross-Site Scripting via Email HTML Injection
First Time appeared Icewarp
Icewarp icewarp
Weaknesses CWE-79
CPEs cpe:2.3:a:icewarp:icewarp:10.3.4:*:*:*:*:*:*:*
cpe:2.3:a:icewarp:icewarp:11.0.0.0:*:*:*:*:*:*:*
Vendors & Products Icewarp
Icewarp icewarp
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-22T15:48:35.082Z

Reserved: 2026-04-22T14:30:46.791Z

Link: CVE-2018-25269

cve-icon Vulnrichment

Updated: 2026-04-22T15:47:52.071Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-22T16:16:47.567

Modified: 2026-04-29T23:22:26.817

Link: CVE-2018-25269

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-27T20:15:12Z

Weaknesses