What is CVE-2020-18723?

CVE-2020-18723 is a medium-severity vulnerability in Altn Mdaemon Webmail, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-02-03.

How severe is CVE-2020-18723?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Altn Mdaemon Webmail

CVE-2020-18723

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.038 (88.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Altn Mdaemon_webmail
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-18723?: CVE-2020-18723 is a medium-severity vulnerability in Altn Mdaemon Webmail, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-02-03.
How severe is CVE-2020-18723?: Medium severity. CVSS v3 base score is 5.4 out of 10.