CVE-2023-0879: Cross-site Scripting (XSS) - Stored in GitHub repository btcpayserver/btcpayserver prior to 1.7.12.

Q: How do I fix CVE-2023-0879?

btcpay server: upgrade to 1.7.12. Exact commands for each OS are on this page.

Q: Is CVE-2023-0879 being exploited?

CVE-2023-0879 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-0879 affect?

CVE-2023-0879 affects btcpay server. Severity is medium (CVSS 6.3). Cross-site Scripting (XSS) - Stored in GitHub repository btcpayserver/btcpayserver prior to 1.7.12.

Q: How urgent is CVE-2023-0879?

Priority 37/100. Public exploit reference

Routine

MEDIUM 6.3UPGRADE

CVE-2023-0879 is a medium-severity flaw (CVSS 6.3) affecting btcpay server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site Scripting (XSS) - Stored in GitHub repository btcpayserver/btcpayserver prior to 1.7.12.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-02-17
Last modified	2026-06-17

Publisher (CNA): huntr.dev · Vendor: btcpayserver

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-02-17 02:15 UTCPublished CVE record published
2026-06-17 05:26 UTCUpdated Record last modified

btcpayserver btcpay server UPGRADE

Affected: < 1.7.12

Fixed in: 1.7.12

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy btcpay-server || rpm -q btcpay-server || btcpay-server --version

2. UPGRADE to 1.7.12 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade btcpay-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade btcpay-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-0879?

btcpay server: upgrade to 1.7.12. Exact commands for each OS are on this page.

Is CVE-2023-0879 being exploited?

CVE-2023-0879 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-0879 affect?

CVE-2023-0879 affects btcpay server. Severity is medium (CVSS 6.3). Cross-site Scripting (XSS) - Stored in GitHub repository btcpayserver/btcpayserver prior to 1.7.12.

How urgent is CVE-2023-0879?

Priority 37/100. Public exploit reference

Software pages

GitHub vulnerabilities

Related CVEs

CVE-2023-0493 MEDIUM 5.3 UPGRADE Improper Neutralization of Equivalent Special Elements in GitHub repository btcpayserver/btcpayserver prior to

References

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