Is CVE-2015-5730 in the CISA KEV catalog?

No. CVE-2015-5730 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-5730?

CVE-2015-5730 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2015-5730?

CVE-2015-5730 has an EPSS score of 8.35% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-5730?

Upgrade wordpress on debian 11 to 4.2.4+dfsg-1 or later.

CVE & CISA-KEV Catalog

CVE-2015-5730

MEDIUMEPSS 94th pctl

5.0

CVSS v2

NVD

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.

CWE-200Information Exposure

How to fix

Remediation Available

wordpressDebian

Fixed in:4.2.4+dfsg-1CVE-2015-5730

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

8.35%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Patch2

Other references7

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.