Is CVE-2009-3890 in the CISA KEV catalog?

No. CVE-2009-3890 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-3890?

CVE-2009-3890 has a CVSS v2 base score of 6.0 (MEDIUM).

What is the EPSS score for CVE-2009-3890?

CVE-2009-3890 has an EPSS score of 8.43% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2009-3890?

Upgrade wordpress on debian 11 to 2.8.6-1 or later.

CVE & CISA-KEV Catalog

CVE-2009-3890

MEDIUMEPSS 94th pctl

6.0

CVSS v2

NVD

Description

Unrestricted file upload vulnerability in the wp_check_filetype function in wp-includes/functions.php in WordPress before 2.8.6, when a certain configuration of the mod_mime module in the Apache HTTP Server is enabled, allows remote authenticated users to execute arbitrary code by posting an attachment with a multiple-extension filename, and then accessing this attachment via a direct request to a wp-content/uploads/ pathname, as demonstrated by a .php.jpg filename.

CWE-94Code Injection

How to fix

Remediation Available

wordpressDebian

Fixed in:2.8.6-1CVE-2009-3890

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

8.43%probability of exploitation in 30 days

94thpercentile

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

References

Patch1

wordpress.org

Vendor Advisory1

core.trac.wordpress.org

Third-Party Advisory4

Other references4

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

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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 2026-04-23.