CVE-2018-25269

5.1 mediumEPSS 0.2%

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.

Severity

CVSS 4.0

5.1 medium

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

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 13% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-04-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

icewarp:icewarp

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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