Is CVE-2013-5738 in the CISA KEV catalog?

No. CVE-2013-5738 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-5738?

CVE-2013-5738 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2013-5738?

CVE-2013-5738 has an EPSS score of 2.36% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2013-5738?

Upgrade wordpress on debian 11 to 3.6.1+dfsg-1 or later.

CVE & CISA-KEV Catalog

CVE-2013-5738

MEDIUMEPSS 82th pctl

4.3

CVSS v2

NVD

Description

The get_allowed_mime_types function in wp-includes/functions.php in WordPress before 3.6.1 does not require the unfiltered_html capability for uploads of .htm and .html files, which might make it easier for remote authenticated users to conduct cross-site scripting (XSS) attacks via a crafted file.

CWE-20Improper Input Validation

How to fix

Remediation Available

wordpressDebian

Fixed in:3.6.1+dfsg-1CVE-2013-5738

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

2.36%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Patch2

Vendor Advisory1

codex.wordpress.org

Other references1

debian.org

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	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 2026-04-29.