CVE-2026-22678

Webmin < 2.641 Stored XSS via System and Server Status

MEDIUM
5.4
CVSS Score
Published: May 21, 2026 at 08:59 PM UTC
Updated: July 23, 2026 at 07:32 PM UTC
1 product affected across 1 vendorWebmin

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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 commands by injecting unsanitized input stored in save_tmpl.cgi and rendered unescaped in list_tmpls.cgi.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.641
Affected range stops below 2.641, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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