Security readout for executives and security teams
Plain-English summary
CVE-2018-3735 is a reflected cross-site scripting issue in the bracket-template Node module. If an application uses vulnerable versions and renders a value supplied through a GET parameter into a template, an attacker may be able to make a user's browser run unintended script. The source bundle does not provide a CVSS score or named fix.
Executive priority
Prioritize dependency and route inventory before emergency action. Escalate if bracket-template is present on public-facing pages that reflect query parameters. The available evidence does not support claiming known exploitation or a confirmed vendor patch.
Technical view
The CVE maps to CWE-79 and affects bracket-template versions up to and including 1.1.5. The reported condition is reflected XSS when a variable passed through a GET parameter is used in a template. Evidence does not identify affected downstream applications, a fixed version, or detailed remediation guidance.
Likely exposure
Exposure is limited to applications that directly or indirectly use bracket-template versions up to 1.1.5 and pass GET-controlled values into templates. Organizations without this Node module, or without that data flow, are unlikely to be affected based on the provided sources.
Exploitation context
The source bundle describes a reflected XSS condition but does not show active exploitation. CISA KEV status is false. Practical risk depends on whether a reachable page reflects attacker-controlled GET input through bracket-template into a user's browser context.
Researcher notes
The public metadata is sparse: no CVSS vector, no fixed version, and only one external report reference is listed. Treat impact assessment as application-specific and verify the exact data flow before rating internal severity.
Mitigation direction
- Inventory Node dependencies for bracket-template up to version 1.1.5.
- Check vendor, npm, or maintainer guidance for a fixed or replacement package.
- Avoid rendering GET parameter values into templates without context-aware output encoding.
- Add server-side input validation around routes using template variables.
- Review CSP and session cookie settings as defense-in-depth controls.
Validation and detection
- Search dependency manifests and lockfiles for bracket-template versions up to 1.1.5.
- Identify routes that pass query-string values into bracket-template templates.
- Confirm whether affected routes are public, authenticated, or internal only.
- Review existing tests for reflected XSS coverage on query-driven pages.
- Document findings and compensating controls if no vendor fix is available.
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-2018-3735 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://hackerone.com/reports/317125CVE reference · x_refsource_MISC
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.