VDB-239776 · CVE-2023-40986 · EUVD-2023-45525

Webmin 2.100 Usermin Configuration cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.5	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Webmin 2.100. This impacts an unknown function of the component Usermin Configuration. Executing a manipulation can lead to cross site scripting. This vulnerability is handled as CVE-2023-40986. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Webmin 2.100 (Software Management Software). It has been declared as problematic. This vulnerability affects an unknown code block of the component Usermin Configuration. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

A stored cross-site scripting (XSS) vulnerability in the Usermin Configuration function of Webmin v2.100 allows attackers to execute arbitrary web sripts or HTML via a crafted payload injected into the Custom field.

The weakness was released 09/15/2023. This vulnerability was named CVE-2023-40986 since 08/22/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-45525). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Software Management Software

Name

Webmin

Version

2.100

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

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

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/22/2023 🔍
09/15/2023 +24 days 🔍
09/15/2023 +0 days 🔍
01/30/2026 +868 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2023-40986 (🔍)
GCVE (CVE): GCVE-0-2023-40986
GCVE (VulDB): GCVE-100-239776
EUVD: 🔍

Entryinfo

Created: 09/15/2023 07:57
Updated: 01/30/2026 19:47
Changes: 09/15/2023 07:57 (37), 01/30/2026 19:47 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.