CVE-2020-18723 EXPLOIT
5.4
MEDIUM · CVSS 3.1 · EPSS 3.8% (pctl 90)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 5.4 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| EPSS | 3.8% — more likely to be exploited than 90% of all CVEs |
| Weakness | CWE-79 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2021-02-03 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| altn | mdaemon webmail |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Alt-N MDaemon webmail 20.0.0 - 'file name' Stored Cross Site Scripting (XSS) | 2021-02-08 |
References
- http://kailashbohara.com.np/blog/2020/07/15/mdaemon-stored-xss
- http://packetstormsecurity.com/files/161332/Alt-N-MDaemon-Webmail-20.0.0-Cross-Site-Scripting.html
- https://www.altn.com/Support/SecurityUpdate/MD082520_MDaemon_EN/
- http://kailashbohara.com.np/blog/2020/07/15/mdaemon-stored-xss
- http://packetstormsecurity.com/files/161332/Alt-N-MDaemon-Webmail-20.0.0-Cross-Site-Scripting.html
- https://www.altn.com/Support/SecurityUpdate/MD082520_MDaemon_EN/
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