CSRF in Phpmyadmin

CVE-2016-9866

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.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.010 (59.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Phpmyadmin — versions 4.6.0, 4.6.1, 4.6.2
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-9866?
CVE-2016-9866 is a critical-severity vulnerability in Phpmyadmin, classified under Cross-Site Request Forgery (CSRF). CVSS score: 9.8/10. Published 2016-12-11.
How severe is CVE-2016-9866?
Critical severity. CVSS v3 base score is 9.8 out of 10.