CVE-2015-5730

Published: 09 November 2015

The sanitize_widget_instance function in wp-includes/class-wp-customize-widgets.php in WordPress before 4.2.4 does not use a constant-time comparison for widgets, which allows remote attackers to conduct a timing side-channel attack by measuring the delay before inequality is calculated.

Priority

Medium

Status

Package Release Status
wordpress
Launchpad, Ubuntu, Debian
Upstream
Released (4.2.4+dfsg-1)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(4.2.4+dfsg-1)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(4.2.4+dfsg-1)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needed)