CVE-2020-26554 json
REDDOXX MailDepot 2033 (aka 2.3.3022) allows XSS via an incoming HTML e-mail message.
published 2020-11-18 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-19099
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
REDDOXX MailDepot 2033 (aka 2.3.3022) allows XSS via an incoming HTML e-mail message.
Exploit prediction
1.04% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- packetstormsecurity.com http://packetstormsecurity.com/files/160077/MailDepot-2033-2.3.3022-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
packetstormsecurity.com
/files/160077/MailDepot-2033-2.3.3022-Cross-Site-Scripting.html
exploit, third-party-advisory, vdb-entry
-
syss.de
/pentest-blog/syss-2020-037-persistent-cross-site-scripting-schwachstelle-in-reddoxx-maildepot
third-party-advisory
Sources
- CVE List CVE-2020-26554
- NVD CVE-2020-26554
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.