CVE-2021-3646 describes a Cross-site Scripting (XSS) vulnerability in BTCPay Server, specifically affecting the btcpay_server product. This medium-severity flaw (CVSS 6.1) allows for improper neutralization of input during web page generation, meaning an attacker could inject malicious scripts into web pages viewed by other users. While the vulnerability requires user interaction (UI:R) and has low impact on confidentiality and integrity, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding it.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.2.3CPE matchmatch criteria | cpe:2.3:a:btcpayserver:btcpay_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
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No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.