CVE-2020-18723

PoC ×2—

CVSS 3.1

5.4 medium

EPSS

4%p89

Published

Feb 3, 2021 (Feb 3, 2021)

Modified

Jun 17, 2026

Description

Stored cross-site scripting (XSS) in file attachment field in MDaemon webmail 19.5.5 allows an attacker to execute code on the email recipient side while forwarding an email to perform potentially malicious activities.

Vendors: altn
Products: mdaemon webmail
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (3.8%)

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