Vulnerability Report

CVE-2026-22678

Title: Webmin Stored Cross-Site Scripting

XSS

Proof Of Concept

No public PoC currently indexed for CVE-2026-22678.

CWE Category CWE-79

Published Date May 21, 2026

Modified Date Jul 23, 2026

Exploit Status Not Found

Score 5.1 CVSS v4.0

Exploit Probability (EPSS)

0.22%

Vulnerability Summary

CVE-2026-22678: 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.

Impacted Vendors

Reference Links

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

CVSS v4.0

Source Entity [email protected]

Severity MEDIUM

5.1

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

PASSIVE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

N/A

RAW VECTOR

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

5.4

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-22678 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

July 23, 2026 MODIFIED

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Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction PASSIVE

CVSS Vector String


                                    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected Stack

No specific products linked.