CVE-2023-1270 — Cross-site Scripting in GitHub repository btcpayserver/btcpayserver prior to 1

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

01What is this vulnerability?

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

02Affected products

Vendor	Product	Versions
btcpayserver	btcpayserver/btcpayserver	unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-03-08T00:00:00.000Z
• Last modified: 2024-08-02T05:40:59.874Z

09References

• huntr.dev — https://huntr.dev/bounties/ad1f917f-2b25-40ef-9215-c805354c683b
• github.com — https://github.com/btcpayserver/btcpayserver/commit/7b5ce8f70c060b01990d3f7109e9…