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

EPSS: 0.084 (94.4th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.