Security readout for executives and security teams
Plain-English summary
CVE-2018-3771 is a cross-site scripting issue in statics-server up to version 0.0.9. If the server shows a directory listing in a browser, a specially crafted filename can cause script content to run in that page. Business risk depends on whether this package is used and whether users can create or influence filenames.
Executive priority
Treat as a targeted cleanup item, not an emergency based on current evidence. Prioritize if statics-server is internet-facing, used in internal portals, or handles user-controlled files. Confirm whether the package exists in production and remove or mitigate vulnerable deployments.
Technical view
statics-server <= 0.0.9 is affected by CWE-79 XSS when rendering browser directory indexes. The CVE description says injection is possible through an iframe in the filename. No CVSS score is provided in the source bundle, and no CISA KEV listing is present.
Likely exposure
Exposure is most likely in Node.js projects using statics-server 0.0.9 or earlier with browser-accessible directory indexing enabled, especially where untrusted users can upload, sync, or otherwise influence filenames shown in listings.
Exploitation context
The provided sources do not indicate active exploitation. The issue requires a vulnerable directory index view and attacker control or influence over a displayed filename. Impact is typical XSS risk: browser-side script execution in the context of the directory listing page.
Researcher notes
Public detail is limited to the CVE description and HackerOne reference. The record names statics-server <= 0.0.9 and CWE-79, but provides no CVSS, no confirmed fixed version, and no KEV status. Avoid assuming broader package impact without environment verification.
Mitigation direction
- Identify any use of statics-server version 0.0.9 or earlier.
- Check the project or vendor guidance for a fixed version or replacement.
- Avoid exposing directory indexes where statics-server renders filenames in browsers.
- Prevent untrusted users from creating filenames displayed by statics-server.
- Consider replacing the package if no maintained fix is available.
Validation and detection
- Search dependency manifests and lockfiles for statics-server.
- Confirm deployed versions, not only repository versions.
- Determine whether directory index pages are exposed to users.
- Review whether uploaded or synced filenames can appear in listings.
- Document compensating controls if immediate removal is not possible.
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-2018-3771 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/355458CVE 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.