CVE-2018-3726 — crud-file-server node module before 0

crud-file-server node module before 0.8.0 suffers from a Cross-Site Scripting vulnerability to a lack of validation of file names.

01What is this vulnerability?

crud-file-server node module before 0.8.0 suffers from a Cross-Site Scripting vulnerability to a lack of validation of file names.

02Affected products

Vendor	Product	Versions
HackerOne	crud	file-server node module — Versions before 0.8.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-06-07T02:00:00.000Z
• Last modified: 2024-09-17T00:05:37.055Z

09References

• hackerone.com — https://hackerone.com/reports/311101
• github.com — https://github.com/omphalos/crud-file-server/commit/4155bfe068bf211b49a0b3ffd06e…