PT-2021-21275 · Unknown · Btcpay Server

Published 2021-09-10 · Updated 2021-09-21 · CVE-2021-3646

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions btcpayserver (affected versions not specified)

Description The issue is related to Improper Neutralization of Input During Web Page Generation, also known as Cross-site Scripting. This means that the software does not properly neutralize user input, allowing an attacker to inject malicious code into web pages.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-3646

Affected Products

Btcpay Server

References · 5

• 🔥 https://huntr.dev/bounties/32e30ecf-31fa-45f6-8552-47250ef0e613 · Exploit
• https://github.com/btcpayserver/btcpayserver/commit/fc4e47cec608cc3dba24b19d0145ac69320b975e · Patch
• https://osv.dev/vulnerability/CVE-2021-3646 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3646 · Security Note
• https://t.me/cibsecurity/28695 · Telegram Post