Security readout for executives and security teams
Plain-English summary
BTCPay Server before 1.7.11 had a stored cross-site scripting flaw. A lower-privileged user could potentially save malicious content that the application later renders, creating risk to sensitive data and account actions. The sources do not show active exploitation.
Executive priority
Treat this as a high-priority patch for any BTCPay Server environment, especially payment-facing or shared administrative systems. Business risk is highest where untrusted users can create stored content viewed by privileged users.
Technical view
CVE-2023-0810 is CWE-79 stored XSS in btcpayserver/btcpayserver prior to 1.7.11. The CVSS 3.0 score is 8.8 with network attack vector, low complexity, low privileges required, and high confidentiality, integrity, and availability impact.
Likely exposure
Organizations running BTCPay Server versions older than 1.7.11 are potentially exposed. The source bundle does not provide CPEs, deployment details, or the exact affected field, so asset inventory and version validation are required.
Exploitation context
CISA KEV status is false, and the provided sources do not claim active exploitation. The public bounty reference and GitHub commit mean defenders should assume vulnerability details and the fix history are publicly discoverable.
Researcher notes
The provided bundle identifies the repository, version boundary, CWE, CVSS vector, bounty reference, and fix commit, but not the exact vulnerable route or parameter. Avoid assuming broader product impact beyond btcpayserver/btcpayserver before 1.7.11.
Mitigation direction
- Upgrade BTCPay Server to version 1.7.11 or later.
- Review BTCPay Server vendor guidance for any additional remediation instructions.
- Restrict access to authenticated BTCPay Server functions until patched.
- Review stored user-controlled content for suspicious script-like entries.
- Prioritize remediation for internet-facing or multi-user instances.
Validation and detection
- Inventory all BTCPay Server deployments and record their running versions.
- Confirm no production instance is below 1.7.11.
- Review application logs for unusual stored-content updates before patching.
- Verify the installed build includes the referenced fixing commit or later release.
- Confirm security tests cover stored XSS handling in user-controlled fields.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-0810 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.8HighVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.