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CVE-2015-5730

UnknownEPSS 8.35%

Last modified

CVE-2015-5730 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 8.35% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
8.35%

94.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
WordpressWordpress<= 4.2.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2015-5730?
Severity scoring for CVE-2015-5730 is pending analysis. The EPSS model estimates a 8.35% probability of exploitation in the next 30 days.
How do I fix CVE-2015-5730?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-5730?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST