CVE-2021-3830
MEDIUMCVSS 5.4/10EPSS 0.54%
Last modified
CVE-2021-3830 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. btcpayserver is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'). EPSS estimates a 0.54% chance of exploitation in the next 30 days.
Description
btcpayserver is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Btcpayserver | Btcpay Server | <= 1.2.3 |
References
- https://github.com/btcpayserver/btcpayserver/commit/fc4e47cec608cc3dba24b19d0145ac69320b975ePatch, Third Party Advisory
- https://huntr.dev/bounties/0fcdee5f-1f07-47ce-b650-ea8b4a7d35d8Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/btcpayserver/btcpayserver/commit/fc4e47cec608cc3dba24b19d0145ac69320b975ePatch, Third Party Advisory
- https://huntr.dev/bounties/0fcdee5f-1f07-47ce-b650-ea8b4a7d35d8Exploit, Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3830?
btcpayserver is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
How severe is CVE-2021-3830?
CVE-2021-3830 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3830?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-3830?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST