What’s Vulnerable › Vulnerabilities

CVE-2012-3578

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 8.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2012-06-17 · updated 2026-06-16
• Weakness: CWE-264

Description

Unrestricted file upload vulnerability in html/Upload.php in the FCChat Widget plugin 2.2.13.1 and earlier for WordPress allows remote attackers to execute arbitrary code by uploading a file with a file with an executable extension followed by a safe extension, then accessing it via a direct request to the file in html/images.

Affected products

• WordPress Fcchat Widget: through 2.2.13.1

References

• http://packetstormsecurity.org/files/113323/WordPress-FCChat-Widget-2.x-Shell-Upload.html
• http://secunia.com/advisories/49419
• http://www.opensyscom.fr/Actualites/wordpress-plugins-fcchat-widget-shell-upload-vulnerability.html
• http://www.securityfocus.com/bid/53855
• https://exchange.xforce.ibmcloud.com/vulnerabilities/76123
• http://packetstormsecurity.org/files/113323/WordPress-FCChat-Widget-2.x-Shell-Upload.html
• http://secunia.com/advisories/49419
• http://www.opensyscom.fr/Actualites/wordpress-plugins-fcchat-widget-shell-upload-vulnerability.html
• http://www.securityfocus.com/bid/53855
• https://exchange.xforce.ibmcloud.com/vulnerabilities/76123

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