btcpayserver Web Page Generation cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
3.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in btcpayserver. This issue affects some unknown processing of the component Web Page Generation Handler. Executing a manipulation can lead to cross site scripting. This vulnerability is tracked as CVE-2021-3830. The attack can be launched remotely. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability has been found in btcpayserver (affected version unknown) and classified as problematic. This vulnerability affects an unknown functionality of the component Web Page Generation Handler. 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.

The weakness was disclosed 09/26/2021. The advisory is shared for download at huntr.dev. This vulnerability was named CVE-2021-3830 since 09/26/2021. 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.

Applying the patch fc4e47cec608cc3dba24b19d0145ac69320b975e is able to eliminate this problem. The bugfix is ready for download at github.com.

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

Productinfo

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 3.8
CNA Vector (huntr.dev): 🔍

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: fc4e47cec608cc3dba24b19d0145ac69320b975e

Timelineinfo

09/26/2021 🔍
09/26/2021 +0 days 🔍
09/26/2021 +0 days 🔍
10/02/2021 +6 days 🔍

Sourcesinfo

Product: github.com

Advisory: fc4e47cec608cc3dba24b19d0145ac69320b975e
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-3830 (🔍)
GCVE (CVE): GCVE-0-2021-3830
GCVE (VulDB): GCVE-100-183352

Entryinfo

Created: 09/26/2021 14:35
Updated: 10/02/2021 13:37
Changes: 09/26/2021 14:35 (48), 10/02/2021 13:32 (3), 10/02/2021 13:37 (1)
Complete: 🔍
Cache ID: 216::103

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

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