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CVE-2026-22678

Webmin < 2.641 Stored XSS via System and Server Status

Published: May 21, 2026Updated: May 21, 2026 Sources: CVE List NVD BDUCWE-79
NVD MITRE
5.4CVSSMEDIUM
EPSS Score
0.2%
Top 93.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

WebminWebmin
On-prem
DevTools & CI / build-test-tools
webminoss-projectDevTools & CIaka webmin, usermin, virtualmin

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://webmin.com/changelog/webmin-2.641-released/
webmin.com
https://www.vulncheck.com/advisories/webmin-stored-xss-via-system-and-server-status
vulncheck.com

Timeline

Published
May 21, 2026
Last Updated
May 21, 2026

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