CVE-2018-16397 — In LimeSurvey before 3

In LimeSurvey before 3.14.7, an admin user can leverage a "file upload" question to read an arbitrary file,

01What is this vulnerability?

In LimeSurvey before 3.14.7, an admin user can leverage a "file upload" question to read an arbitrary file,

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

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: 2018-09-03T15:00:00.000Z
• Last modified: 2024-09-17T03:27:51.379Z

09References

• github.com — https://github.com/LimeSurvey/LimeSurvey/blob/3be9b41e76826b57f5860d18d93b23f47d…