Improper input validation in Imagely Nextgen Gallery

CVE-2016-6565

The Imagely NextGen Gallery plugin for Wordpress prior to version 2.1.57 does not properly validate user input in the cssfile parameter of a HTTP POST request, which may allow an authenticated user to read arbitrary files from the server, or execute arbitrary code on the server in some circumstances (dependent on server configuration).

EPSS: 0.025 (83.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cret@cert.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cret@cert.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2016-6565?
CVE-2016-6565 is a high-severity vulnerability in Imagely Nextgen Gallery, classified under PHP Remote File Inclusion. CVSS score: 7.5/10. Published 2018-07-13.
How severe is CVE-2016-6565?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-6565 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.