TI-2009-03697 Aliases CVE-2009-3890 GHSA-fg69-73j6-crqr

Unrestricted file upload vulnerability in the wp_check_filetype function in…

LOW 38CWE-94Published 2009-11-17 · Updated 2024-09-16

Key facts

Attack vector: Network
Privileges required: Low
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Medium
Impact type: Code execution
Confidentiality · integrity · availability: Partial · Partial · Partial
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-94.

Summary

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.

Why it matters now

EPSS 0.08729 95th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:wordpress:wordpress::::::::	up to 2.8.5	Vulnerable	WordPress

cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* Versions up to 2.8.5 Vulnerable ·WordPress

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2009-3890
2026-10-03 Alias added: GHSA-fg69-73j6-crqr
2026-10-31 EPSS moved to the 95th–99th percentile

References

Patch 1

http://wordpress.org/development/2009/11/wordpress-2-8-6-security-release/

Advisory 4

Other 4

TI-2026-45010 WordPress < 7.0.2 - REST API batch-route confusion and SQL injection issue leading to Remote Code Execution KEVCVSS 3.1CRITICAL 9.8
TI-2016-08118 The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow… KEVCVSS 3.1CRITICAL 9.8
TI-2026-83466 Predictable staging paths let attackers run code in WordPress Core KEVCVSS 3.1HIGH 8.1
TI-2026-59973 An unauthenticated attacker can make `get_page_template()` page-template resolution… KEVCVSS 3.1HIGH 8.1
TI-2016-08129 The isMail transport in PHPMailer before 5.2.20 might allow remote attackers to pass… CVSS 3.1CRITICAL 9.8
TI-2026-42844 WordPress < 7.0.2 - Facilitated SQL Injection via author__not_in in WP_Query KEVCVSS 3.1MEDIUM 5.9

See all 356 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences