Security readout for executives and security teams
Plain-English summary
CVE-2023-0747 is a stored cross-site scripting issue in BTCPay Server before 1.7.6. A logged-in attacker could place malicious script content that runs when another user views it. The rating is medium, but payment infrastructure deserves prompt attention because browser-session compromise can support follow-on abuse.
Executive priority
Treat as a moderate, near-term remediation item. It is not documented as actively exploited, but affected payment administration surfaces should be upgraded promptly to reduce browser-session and workflow integrity risk.
Technical view
The source bundle identifies CWE-79 stored XSS in GitHub repository btcpayserver/btcpayserver prior to 1.7.6. CVSS 3.1 is 5.5: network attack vector, low complexity, low privileges required, user interaction required, unchanged scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to BTCPay Server deployments running versions before 1.7.6, especially where non-administrative users can authenticate and create stored content viewed by other users.
Exploitation context
The bundle does not cite active exploitation, and KEV is false. Exploitation requires a low-privileged authenticated attacker and a victim user interaction, according to the CVSS vector.
Researcher notes
Evidence is limited to the CVE description, CVSS vector, Huntr reference, and GitHub fix commit. The bundle does not provide vulnerable parameter details, proof of exploitation, or broader affected version granularity beyond prior to 1.7.6.
Mitigation direction
- Upgrade BTCPay Server to version 1.7.6 or later.
- Review BTCPay Server vendor guidance and the referenced fix commit.
- Restrict untrusted authenticated access until upgraded.
- Prioritize instances used for payment operations or administration.
Validation and detection
- Inventory BTCPay Server deployments and record versions.
- Flag any instance running earlier than 1.7.6.
- Confirm upgrade completion through application or deployment records.
- Review vulnerability scanner results for CVE-2023-0747 coverage.
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-2023-0747 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
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
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:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L2.13.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
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.