CVE-2026-22678

🔶 medium

Summary

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 Score

5.4

Medium

EPSS Score

0.0

Exploit Probability

Published Date

2026-05-21

First Seen: 2026-05-22

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 22.8% of all 330,193 vulnerabilities in our database.

#255,023

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: May 22, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Partial

Limited system impact

🏆 Discovered By

Hamed Kohi (@0xHamy) VulnCheck

SSVC data provided by CISA

Last Modified 2026-05-26

Source NVD 🔗

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

CVSS Vector 4.0

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

CWE IDs (Weakness Types)

CWE-79

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
webmin	webmin	Affected	< 2.641

🔗 References 2

https://webmin.com/changelog/webmin-2.641-released/

Release Notes

https://www.vulncheck.com/advisories/webmin-stored-x...

Third Party Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2025-67738	⚠️ high	8.5	0.1	squid/cachemgr.cgi in Webmin before 2.600 does not properly quote arguments. This is relevant if Webmin's Squid module a...	2025-12-11
CVE-2025-61541	⚠️ high	7.1	0.1	Webmin 2.510 is vulnerable to a Host Header Injection in the password reset functionality (forgot_send.cgi). The reset l...	2025-10-16
CVE-2024-12828	⚠️ high	8.8	21.7	Webmin CGI Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute ...	2024-12-30
CVE-2024-45692	⚠️ high	7.5	0.1	Webmin before 2.202 and Virtualmin before 7.20.2 allow a network traffic loop via spoofed UDP packets on port 10000.	2024-09-04
CVE-2024-36450	🔶 medium	5.4	0.2	Cross-site scripting vulnerability exists in sysinfo.cgi of Webmin versions prior to 1.910. If this vulnerability is exp...	2024-07-10
CVE-2024-36451	⚠️ high	8.8	0.2	Improper handling of insufficient permissions or privileges vulnerability exists in ajaxterm module of Webmin prior to 2...	2024-07-10

These CVEs affect the same products