J-Security Center

Title: Phpclanwebsite BBCode IMG Tag Script Injection Vulnerability

Severity: MODERATE

Description:

Phpclanwebsite is a content-management application written in PHP.

Phpclanwebsite is prone to a script-injection vulnerability. The application fails to properly sanitize user-supplied input before including it in dynamically generated content.

An attacker can nest BBCode IMG tags to trigger this issue and execute arbitrary code in a user's browser.

Attacker-supplied HTML and script code would be able to access properties of the site, potentially allowing for theft of cookie-based authentication credentials.

An attacker could also exploit this issue to control how the site is rendered to the user; other attacks are also possible. A victim user who views the vulnerable sections of the site would have the attacker-supplied HTML and script code execute in the security context of the affected site.

Reports have not specified which version is vulnerable. The current version (1.23.1) is assumed to be vulnerable; other versions may also be affected.

Affected Products:

  • Phpclanwebsite Phpclanwebsite 1.23.1

References:

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