What’s Vulnerable › Vulnerabilities

CVE-2014-5298

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-10-10 · updated 2026-06-17
• Weakness: CWE-264

Description

FileUploadsFilter.php in X2Engine 4.1.7 and earlier, when running on case-insensitive file systems, allows remote attackers to bypass the upload blacklist and conduct unrestricted file upload attacks by uploading a file with an executable extension that contains uppercase letters, as demonstrated using a PHP program.

Affected products

• X2Engine: through 4.1.7

References

• http://karmainsecurity.com/KIS-2014-10
• http://packetstormsecurity.com/files/128353/X2Engine-4.1.7-Unrestricted-File-Upload.html
• http://seclists.org/fulldisclosure/2014/Sep/78
• http://www.securityfocus.com/archive/1/533514/100/0/threaded
• https://cert-portal.siemens.com/productcert/pdf/ssa-234763.pdf
• https://github.com/X2Engine/X2Engine/blob/master/CHANGELOG.md
• http://karmainsecurity.com/KIS-2014-10
• http://packetstormsecurity.com/files/128353/X2Engine-4.1.7-Unrestricted-File-Upload.html
• http://seclists.org/fulldisclosure/2014/Sep/78
• http://www.securityfocus.com/archive/1/533514/100/0/threaded
• https://cert-portal.siemens.com/productcert/pdf/ssa-234763.pdf
• https://github.com/X2Engine/X2Engine/blob/master/CHANGELOG.md

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