What is CVE-2016-7571?

CVE-2016-7571 is a medium-severity vulnerability in Drupal, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2016-10-03.

How severe is CVE-2016-7571?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Drupal

CVE-2016-7571

Cross-site scripting (XSS) vulnerability in Drupal 8.x before 8.1.10 allows remote attackers to inject arbitrary web script or HTML via vectors involving an HTTP exception.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2016-10-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.015 (73.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Drupal — versions 8.0.0, 8.0.1, 8.0.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.drupal.org/SA-CORE-2016-004 (Vendor Advisory)
www.securityfocus.com/bid/93101 (Third Party Advisory, vdb-entry)
www.securitytracker.com/id/1036886 (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2016-7571?: CVE-2016-7571 is a medium-severity vulnerability in Drupal, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2016-10-03.
How severe is CVE-2016-7571?: Medium severity. CVSS v3 base score is 6.1 out of 10.