Support » Plugin: Z-URL Preview » Z-URL Preview 1.6.1 Cross Site Scripting

  • Resolved neorichi

    (@neorichi)


    Z-URL Preview is prone to a stored cross-site scripting
    vulnerability because it fails to sufficiently sanitize user-supplied data.

    An attacker may leverage this issue to execute arbitrary script code in the
    browser of an unsuspecting user in the context of the affected site. This
    may allow the attacker to steal cookie-based authentication credentials and
    to launch other attacks.

    To exploit this issue following steps:
    The XSS reflected because the value url is not filter correctly:

    Demo Request:
    http://localhost/wordpress/wp-content/plugins/z-url-preview/class.zlinkpreview.php?url=</script&gt;”><script>alert(“XSS”)</script>

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