CVE-2021-3830

Public Exploit
Cross-site Scripting (XSS) - Stored in btcpayserver/btcpayserver

Description

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

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.23%
Third-Party Advisory github.com Third-Party Advisory huntr.dev
Affected: btcpayserver btcpayserver/btcpayserver
Published at:
Updated at:

References

Link Tags
https://github.com/btcpayserver/btcpayserver/commit/fc4e47cec608cc3dba24b19d0145ac69320b975e third party advisory patch
https://huntr.dev/bounties/0fcdee5f-1f07-47ce-b650-ea8b4a7d35d8 patch exploit third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2021-3830?
CVE-2021-3830 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3830?
To fix CVE-2021-3830, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3830 being actively exploited in the wild?
It is possible that CVE-2021-3830 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3830?
CVE-2021-3830 affects btcpayserver btcpayserver/btcpayserver.
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