CVE-2016-9451

MEDIUMNVD 6.86.8—

6.8

Confirmation forms in Drupal 7.x before 7.52 make it easier for remote authenticated users to conduct open redirect attacks via unspecified vectors.

CVSS v3: 6.8
EG Score: 6.8(medium)
EPSS: 30.4%
KEV: Not listed

Published

November 25, 2016

Last Modified

May 6, 2026

References (6)

cve@mitrehttp://www.debian.org/security/2016/dsa-3718
cve@mitrehttp://www.securityfocus.com/bid/94367
cve@mitrehttps://www.drupal.org/SA-CORE-2016-005
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2016/dsa-3718
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/94367
af854a3a-2127-422b-91ae-364da2661108https://www.drupal.org/SA-CORE-2016-005

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
drupal/core	8.0.0 ... 8.2.2 (44 versions)	8.2.3	—

Data Freshness Timeline

(refreshed 9× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:44 UTCepss_batch
2026-05-23 00:10 UTCEG score recompute
2026-05-22 21:15 UTCepss_batch
2026-05-22 17:51 UTCEG score recompute
2026-05-22 16:43 UTCOSV refresh
2026-05-20 22:37 UTCepss_batch

Frequently asked(5)

What is CVE-2016-9451?

CVE-2016-9451 is a medium vulnerability published on November 25, 2016. Confirmation forms in Drupal 7.x before 7.52 make it easier for remote authenticated users to conduct open redirect attacks via unspecified vectors.

When was CVE-2016-9451 disclosed?

CVE-2016-9451 was first published in the National Vulnerability Database on November 25, 2016, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2016-9451 actively exploited?

CVE-2016-9451 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 30.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2016-9451?

CVE-2016-9451 has a CVSS v3 base score of 6.8 (NVD).

How do I remediate CVE-2016-9451?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-9451, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2016-9451

📅 Published

🔄 Last Modified

🔗 References (6)