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TI-2018-15494 Aliases CVE-2018-25269GHSA-xx24-qg5f-3r29

ICEWARP 11.0.0.0 Cross-Site Scripting via Email HTML Injection

Priority MEDIUM 56CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0023 13th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
IceWarpICEWARP Client10.3.4; 11.0.0.0—No fix listedCNA
  • ICEWARP Client VendorIceWarp Affected 10.3.4; 11.0.0.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:icewarp:icewarp:11.0.0.0:*:*:*:*:*:*:*11.0.0.0VulnerableIceWarp
  • cpe:2.3:a:icewarp:icewarp:11.0.0.0:*:*:*:*:*:*:* Versions 11.0.0.0 Vulnerable ·IceWarp

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-25269
  2. 2026-10-03 Alias added: GHSA-xx24-qg5f-3r29

References

  • TI-2024-36801 IceWarp Server 10.2.1 is vulnerable to Cross Site Scripting (XSS) via the meta parameter. CVSS 3.1MEDIUM 6.1
  • TI-2023-21651 Cross Site Scripting (XSS) in Webmail Calendar in IceWarp 10.3.1 allows remote attackers… CVSS 3.1MEDIUM 6.1
  • TI-2023-20696 IceWarp 11.4.6.0 was discovered to contain a cross-site scripting (XSS) vulnerability via the color parameter. CVSS 3.1MEDIUM 6.1
  • TI-2023-19244 IceWarp v10.2.1 was discovered to contain cross-site scripting (XSS) vulnerability via the color parameter. CVSS 3.1MEDIUM 6.1
  • TI-2024-00221 IceWarp Utility Download cross site scripting CVSS 3.1MEDIUM 6.1

Sources