| Name | CVE-2015-5730 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-3332-1 |
| Debian Bugs | 794560 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| wordpress (PTS) | jessie, jessie (lts) | 4.1.35+dfsg-0+deb8u1 | fixed |
| stretch (security), stretch (lts), stretch | 4.7.23+dfsg-0+deb9u1 | fixed |
| buster (security), buster, buster (lts) | 5.0.21+dfsg1-0+deb10u1 | fixed |
| bullseye (security), bullseye | 5.7.11+dfsg1-0+deb11u1 | fixed |
| bookworm (security), bookworm | 6.1.6+dfsg1-0+deb12u1 | fixed |
| sid, trixie | 6.6.1+dfsg1-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[squeeze] - wordpress <not-affected> (Vulnerable code introduced later)
[wheezy] - wordpress <not-affected> (Vulnerable code introduced later)
https://core.trac.wordpress.org/changeset/33535
https://core.trac.wordpress.org/changeset/33536