Security readout for executives and security teams
Plain-English summary
CVE-2025-65717 affects the Visual Studio Code Live Server extension v5.7.9. A developer who interacts with a crafted HTML page could have files exposed. The reported impact is limited to confidentiality, and user interaction is required. Provided sources do not show active exploitation.
Executive priority
Treat as a moderate developer-workstation risk. Prioritize inventory and vendor-guidance review, especially for teams handling sensitive code or data. This does not currently warrant emergency response based on provided evidence.
Technical view
The CVE describes file exfiltration through user interaction with crafted HTML in Live Server v5.7.9. CVSS 3.1 is 4.3, network exploitable, low complexity, no privileges, user interaction required, unchanged scope, low confidentiality impact. Mapped weaknesses include CWE-200, CWE-601, and CWE-79.
Likely exposure
Exposure is most relevant to developer workstations using the VS Code Live Server extension, specifically v5.7.9 per the CVE description. The bundle’s affected product fields are incomplete, so organizations should validate installed extension versions directly.
Exploitation context
The issue requires a user to interact with crafted HTML. There is no KEV listing and no provided source evidence of active exploitation. Risk is higher where developers open untrusted web content or run Live Server in sensitive workspaces.
Researcher notes
The public bundle lacks detailed affected-version ranges, patch status, and maintainer remediation text. Analysis should be refined after reviewing GHSA-9qrh-552f-x896 and the project repository. Do not assume broader affected products beyond Live Server v5.7.9 from the supplied CVE description.
Mitigation direction
- Check the GitHub advisory and project repository for vendor guidance or a fixed version.
- Inventory VS Code installations for the Live Server extension and version 5.7.9.
- Disable or restrict Live Server where not needed until vendor guidance is confirmed.
- Avoid opening untrusted HTML projects or pages with Live Server enabled.
- Keep sensitive files out of workspaces served by development tools.
Validation and detection
- Confirm whether Live Server v5.7.9 is installed on developer endpoints.
- Review extension management tooling for installed versions and update status.
- Check whether Live Server is enabled in sensitive repositories or user workspaces.
- Review vendor advisory GHSA-9qrh-552f-x896 for affected and fixed versions.
- Monitor for unusual file access or outbound activity from developer workstations.
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-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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 lookupCWE-601: 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 lookupCWE-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-2025-65717 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
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
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.
SSVC decision data
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:N/UI:R/S:U/C:L/I:N/A:N2.81.4CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/ritwickdey/vscode-live-serverCVE reference, mitre
- https://www.ox.security/blog/cve-2025-65717-live-server-vscode-vulnerability/CVE reference, mitre
- https://github.com/ritwickdey/vscode-live-server/security/advisories/GHSA-9qrh-552f-x896CVE reference, mitre
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.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
URL Redirection to Untrusted Site ('Open Redirect')
URL Redirection to Untrusted Site ('Open Redirect') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
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.