CVE-2026-22678

MEDIUM CVSS 4.0: 5.1 EPSS 0.22%
Updated Jul 23, 2026
Webmin
Parameter Value
CVSS 5.1 (MEDIUM)
Affected Versions before 2.641
Fixed In 2.641
Type CWE-79 (Cross-Site Scripting (XSS))
Vendor Webmin
Public PoC No

Webmin before 2.641 contains a stored cross-site scripting vulnerability in the email template description field of the System and Server Status module that allows low-privileged authenticated attackers to execute arbitrary JavaScript in the browser context of administrators by injecting unsanitized input stored in save_tmpl.cgi and rendered unescaped in list_tmpls.cgi.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
Passive
Minimal interaction

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Webmin Webmin
cpe:2.3:a:webmin:webmin:*:*:*:*:*:*:*:*
— 2.641