CVE-2016-6635

8.8 highEPSS 1.9%

Cross-site request forgery (CSRF) vulnerability in the wp_ajax_wp_compression_test function in wp-admin/includes/ajax-actions.php in WordPress before 4.5 allows remote attackers to hijack the authentication of administrators for requests that change the script compression option.

Severity

CVSS 3.0

8.8 high

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

EPSS: 1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)
CWE: CWE-352
Published: 2016-08-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

wordpress:wordpress

References

http://codex.wordpress.org/Version_4.5
http://www.debian.org/security/2016/dsa-3681
https://github.com/WordPress/WordPress/commit/9b7a7754133c50b82bd9d976fb5b24094f658aab
https://wpvulndb.com/vulnerabilities/8475
http://codex.wordpress.org/Version_4.5

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