CVE & CISA-KEV Catalog

CVE-2016-9866

CRITICAL
9.8
CVSS v3
NVD

Description

An issue was discovered in phpMyAdmin. When the arg_separator is different from its default & value, the CSRF token was not properly stripped from the return URL of the preference import action. All 4.6.x versions (prior to 4.6.5), 4.4.x versions (prior to 4.4.15.9), and 4.0.x versions (prior to 4.0.10.18) are affected.

CWE-352Cross-Site Request Forgery

How to fix

Remediation Available
phpmyadminDebian
Fixed in:4:4.6.5.1-1CVE-2016-9866
Fixed in:4:4.6.5.1-1CVE-2016-9866
Fixed in:4:4.6.5.1-1CVE-2016-9866
Fixed in:4:4.6.5.1-1CVE-2016-9866
phpmyadminUbuntu
Fixed in:4:4.0.10-1ubuntu0.1+esm4USN-4843-1
Fixed in:4:4.5.4.1-2ubuntu2.1+esm6USN-4843-1
Fixed in:4:4.6.6-5ubuntu0.5+esm1USN-4843-1
Fixed in:4:4.9.5+dfsg1-2ubuntu0.1~esm1USN-4843-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.02%probability of exploitation in 30 days
59thpercentile

Moderate risk: more likely to be exploited than 59% of all known CVEs.

References

Related Vulnerabilities

Other CWE-352 (Cross-Site Request Forgery) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2016-6277High8.8100%KEV-
CVE-2014-0054Medium6.891%-Fix
CVE-2013-6429Medium6.890%-Fix
CVE-2022-41622High8.888%--
CVE-2018-7700High8.875%--
CVE-2015-2295Medium6.866%--
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.