What’s Vulnerable › Vulnerabilities

CVE-2006-5503

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2006-10-25 · updated 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in index.php in Simple Machines Forum (SMF) 1.1 RC2 allows remote attackers to inject arbitrary web script or HTML via the action parameter.

Affected products

• Simple Machines Forum: 1.1_rc2

References

• http://securityreason.com/securityalert/1772
• http://www.securityfocus.com/archive/1/449241/100/0/threaded
• http://www.securityfocus.com/bid/20629
• https://exchange.xforce.ibmcloud.com/vulnerabilities/29690
• http://securityreason.com/securityalert/1772
• http://www.securityfocus.com/archive/1/449241/100/0/threaded
• http://www.securityfocus.com/bid/20629
• https://exchange.xforce.ibmcloud.com/vulnerabilities/29690

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