VulnerabilityModified
CVE-2015-5730
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…
MEDIUM 5.0EPSS 7.34%
Does this matter?
Lower severity and a low EPSS score (7.34%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
- EPSS
- 7.34% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- wordpress/wordpress
- Source
- cve@mitre.org
References
- http://openwall.com/lists/oss-security/2015/08/04/7
- http://www.debian.org/security/2015/dsa-3332
- http://www.securityfocus.com/bid/76160
- http://www.securitytracker.com/id/1033178
- https://codex.wordpress.org/Version_4.2.4Patch, Vendor Advisory
- https://core.trac.wordpress.org/changeset/33535
- https://core.trac.wordpress.org/changeset/33536
- https://wordpress.org/news/2015/08/wordpress-4-2-4-security-and-maintenance-release/Patch, Vendor Advisory
- https://wpvulndb.com/vulnerabilities/8130
- http://openwall.com/lists/oss-security/2015/08/04/7
- http://www.debian.org/security/2015/dsa-3332
- http://www.securityfocus.com/bid/76160
- http://www.securitytracker.com/id/1033178
- https://codex.wordpress.org/Version_4.2.4Patch, Vendor Advisory
- https://core.trac.wordpress.org/changeset/33535
- https://core.trac.wordpress.org/changeset/33536
- https://wordpress.org/news/2015/08/wordpress-4-2-4-security-and-maintenance-release/Patch, Vendor Advisory
- https://wpvulndb.com/vulnerabilities/8130
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.