What is CVE-2016-9449?

CVE-2016-9449 is a medium-severity vulnerability in Drupal, classified under Information Disclosure. CVSS score: 4.3/10. Published 2016-11-25.

How severe is CVE-2016-9449?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Drupal

CVE-2016-9449

The taxonomy module in Drupal 7.x before 7.52 and 8.x before 8.2.3 might allow remote authenticated users to obtain sensitive information about taxonomy terms by leveraging inconsistent naming of access query tags.

Vulnerability class: Information Disclosure

Published 2016-11-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.019 (78.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.019 · change: -0.001

Affected products

Drupal — versions 8.0.0, 8.0.1, 8.0.2

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.debian.org/security/2016/dsa-3718 (vendor-advisory)
www.securityfocus.com/bid/94367 (VDB Entry, Third Party Advisory, vdb-entry)
www.drupal.org/SA-CORE-2016-005 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2016-9449?: CVE-2016-9449 is a medium-severity vulnerability in Drupal, classified under Information Disclosure. CVSS score: 4.3/10. Published 2016-11-25.
How severe is CVE-2016-9449?: Medium severity. CVSS v3 base score is 4.3 out of 10.