Vulnerability Details : CVE-2021-3830
btcpayserver is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-3830
- cpe:2.3:a:btcpayserver:btcpay_server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3830
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 19 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3830
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
3.8
|
LOW | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N |
1.2
|
2.5
|
huntr.dev | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2021-3830
-
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.Assigned by:
- nvd@nist.gov (Primary)
- security@huntr.dev (Secondary)
References for CVE-2021-3830
-
https://huntr.dev/bounties/0fcdee5f-1f07-47ce-b650-ea8b4a7d35d8
huntr: Cross-site Scripting (XSS) - Stored C# Vulnerability in btcpayserverExploit;Issue Tracking;Patch;Third Party Advisory
-
https://github.com/btcpayserver/btcpayserver/commit/fc4e47cec608cc3dba24b19d0145ac69320b975e
Add CSP at the website level (#2863) · btcpayserver/btcpayserver@fc4e47c · GitHubPatch;Third Party Advisory
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