Webmin up to 2.640 Server Status save_tmpl.cgi cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Webmin up to 2.640. It has been rated as problematic. This impacts an unknown function of the file save_tmpl.cgi of the component Server Status Module. The manipulation leads to cross site scripting. This vulnerability is traded as CVE-2026-22678. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Webmin up to 2.640 and classified as problematic. This issue affects an unknown function of the file save_tmpl.cgi of the component Server Status Module. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

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.

The weakness was shared by Hamed Kohi. It is possible to read the advisory at webmin.com. The identification of this vulnerability is CVE-2026-22678 since 01/08/2026. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 2.641 eliminates this vulnerability. The upgrade is hosted for download at webmin.com.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1648). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Open Source Webmin

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.4
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Webmin 2.641

Timelineinfo

01/08/2026 CVE reserved
05/22/2026 +133 days Advisory disclosed
05/22/2026 +0 days VulDB entry created
05/22/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: webmin.com
Researcher: Hamed Kohi
Status: Confirmed

CVE: CVE-2026-22678 (🔒)
GCVE (CVE): GCVE-0-2026-22678
GCVE (VulDB): GCVE-100-365099
CERT Bund: WID-SEC-2026-1648 - Webmin: Schwachstelle ermöglicht Cross-Site Scripting

Entryinfo

Created: 05/22/2026 06:00
Updated: 05/22/2026 12:06
Changes: 05/22/2026 06:00 (79), 05/22/2026 12:06 (7)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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