Home/CVE/btcpayserver is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE

CVE-2021-3830

btcpayserver is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

btcpayserver is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

MEDIUM · CVSS 5.4 EPSS 0.00234
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

1
btcpayserver btcpay server<= 1.2.3
⚠

Public Exploits & PoCs

1
pochuntr.dev · 0fcdee5f-1f07-47ce-b650-ea8b4a7d35d8huntr.dev
▣

Scoring & Timeline

5.4
MEDIUM · CVSS v3.1 · security@huntr.dev
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Sep 2021 · 09:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/btcpayserver/btcpayserver/commit/fc4e47cec608cc3dba24b19d0145ac69320b975ePatchThird Party Advisory
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