Information disclosure in WordPress
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 delay before inequality is calculated.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.073 (94.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.071 · newest: 0.073 · change: +0.003
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wordpress.org/news/2015/08/wordpress-4-2-4-security-and-maintenance-release/ (Patch, Vendor Advisory)
- core.trac.wordpress.org/changeset/33535
- www.securityfocus.com/bid/76160 (vdb-entry)
- openwall.com/lists/oss-security/2015/08/04/7 (mailing-list)
- www.securitytracker.com/id/1033178 (vdb-entry)
- www.debian.org/security/2015/dsa-3332 (vendor-advisory)
- wpvulndb.com/vulnerabilities/8130
- core.trac.wordpress.org/changeset/33536
- codex.wordpress.org/Version_4.2.4 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2015-5730?
- CVE-2015-5730 is a vulnerability in WordPress, classified under Information Disclosure. Published 2015-11-09.
- Is CVE-2015-5730 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.