VDB-235796 · CVE-2023-38306 · EUVD-2023-42125

Webmin 2.021 File Upload 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.
4.7	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Webmin 2.021. Affected by this vulnerability is an unknown functionality of the component File Upload. Such manipulation leads to cross site scripting. This vulnerability is documented as CVE-2023-38306. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Webmin 2.021 (Software Management Software) and classified as problematic. Affected by this issue is an unknown functionality of the component File Upload. 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. CVE summarizes:

An issue was discovered in Webmin 2.021. A Cross-site Scripting (XSS) Bypass vulnerability was discovered in the file upload functionality. Normally, the application restricts the upload of certain file types such as .svg, .php, etc., and displays an error message if a prohibited file type is detected. However, by following certain steps, an attacker can bypass these restrictions and inject malicious code.

The weakness was released 07/31/2023. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-38306 since 07/14/2023. 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-2023-42125). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Software Management Software

Name

Webmin

Version

2.021

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

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

NVD Base Score: 6.1
NVD Vector: 🔍

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

07/14/2023 🔍
07/31/2023 +17 days 🔍
07/31/2023 +0 days 🔍
01/19/2026 +903 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2023-38306 (🔍)
GCVE (CVE): GCVE-0-2023-38306
GCVE (VulDB): GCVE-100-235796
EUVD: 🔍

Entryinfo

Created: 07/31/2023 18:35
Updated: 01/19/2026 01:57
Changes: 07/31/2023 18:35 (38), 08/23/2023 18:30 (11), 01/19/2026 01:57 (16)
Complete: 🔍
Cache ID: 216::103