🛡️ CVE-2016-9866 — phpmyadmin

🔴 CVSS 9.5 — Critical ✅ No Known Exploit CWE-352 OSV
9.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

phpMyAdmin CSRF Vulnerability

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2016-9866 is classified as CWE-352: Cross-Site Request Forgery (CSRF). A state-changing request is accepted without proof it was intended, so another site can trigger it using the victim's session.

Affected software

CVE-2016-9866 is recorded against 1 package.

  • phpmyadmin/phpmyadmin (from 4.0.0 up to 4.0.10.18)

Timeline and source

Published on 17 May 2022 and last revised on 16 February 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Package)
security.gentoo.org (Web)
web.archive.org (Web)
www.phpmyadmin.net (Web)

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-352
Public Exploit ✅ No
Source OSV
Published 2022-05-17
Updated 2026-08-12
Modified 2024-02-16
Fix URL N/A

Affected Packages

Software From version Fixed in
phpmyadmin/phpmyadmin 4.0.0 4.0.10.18

Similar Threats

Exploit Protection

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CVE-2016-9866 carries CVSS 9.5 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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