CVE-2020-26554

Name: CVE-2020-26554
Creator: NVD / NIST
Published: 2020-11-18T17:15:11.617+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.03%

Last modified Jun 17, 2026

CVE-2020-26554 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. REDDOXX MailDepot 2033 (aka 2.3.3022) allows XSS via an incoming HTML e-mail message.. EPSS estimates a 1.03% chance of exploitation in the next 30 days.

Description

REDDOXX MailDepot 2033 (aka 2.3.3022) allows XSS via an incoming HTML e-mail message.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

1.03%

59.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Reddoxx	Maildepot	2033

References

http://packetstormsecurity.com/files/160077/MailDepot-2033-2.3.3022-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://www.syss.de/pentest-blog/syss-2020-037-persistent-cross-site-scripting-schwachstelle-in-reddoxx-maildepotThird Party Advisory
http://packetstormsecurity.com/files/160077/MailDepot-2033-2.3.3022-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://www.syss.de/pentest-blog/syss-2020-037-persistent-cross-site-scripting-schwachstelle-in-reddoxx-maildepotThird Party Advisory

Timeline

Published: Nov 18, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-26554?

REDDOXX MailDepot 2033 (aka 2.3.3022) allows XSS via an incoming HTML e-mail message.

How severe is CVE-2020-26554?

CVE-2020-26554 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.

How do I fix CVE-2020-26554?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-26554?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST