CVE-2023-1270: Cross-site Scripting in GitHub repository btcpayserver/btcpayserver prior to 1.8.3.

Q: How do I fix CVE-2023-1270?

btcpayserver: upgrade to 1.8.3. Exact commands for each OS are on this page.

Q: Is CVE-2023-1270 being exploited?

CVE-2023-1270 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-2023-1270 affect?

CVE-2023-1270 affects btcpayserver. Severity is medium (CVSS 5.4). Cross-site Scripting in GitHub repository btcpayserver/btcpayserver prior to 1.8.3.

Q: How urgent is CVE-2023-1270?

Priority 31/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2023-1270 is a medium-severity flaw (CVSS 5.4) affecting btcpayserver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site Scripting in GitHub repository btcpayserver/btcpayserver prior to 1.8.3.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.4% (top 71%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-03-08
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

2023-03-08 14:15 UTCPublished CVE record published
2026-06-17 05:27 UTCUpdated Record last modified

btcpayserver btcpayserver UPGRADE

Affected: < 1.8.3

Fixed in: 1.8.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy btcpayserver || rpm -q btcpayserver || btcpayserver --version

2. UPGRADE to 1.8.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade btcpayserver

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade btcpayserver

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-2023-1270?

btcpayserver: upgrade to 1.8.3. Exact commands for each OS are on this page.

Is CVE-2023-1270 being exploited?

CVE-2023-1270 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-2023-1270 affect?

CVE-2023-1270 affects btcpayserver. Severity is medium (CVSS 5.4). Cross-site Scripting in GitHub repository btcpayserver/btcpayserver prior to 1.8.3.

How urgent is CVE-2023-1270?

Priority 31/100. Public exploit reference

Software pages

GitHub vulnerabilities

Related CVEs

CVE-2023-0810 MEDIUM 5.4 UPGRADE Cross-site Scripting (XSS) - Stored in GitHub repository btcpayserver/btcpayserver prior to 1.7.11.
CVE-2023-0748 MEDIUM 6.4 UPGRADE Open Redirect in GitHub repository btcpayserver/btcpayserver prior to 1.7.6.
CVE-2023-0747 MEDIUM 5.5 UPGRADE Cross-site Scripting (XSS) - Stored in GitHub repository btcpayserver/btcpayserver prior to 1.7.6.

References

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