The billing system for Parallels Plesk Panel 10.3.1_build1013110726.09 has web pages containing e-mail addresses that are not intended for correspondence about the local application deployment, which allows remote attackers to obtain potentially sensitive information by reading a page, as demonstrated by js/ajax/core/ajax.inc.js and certain other files.

The Server Administration Panel in Parallels Plesk Panel 10.2.0_build1011110331.18 does not set the secure flag for a cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session, as demonstrated by cookies used by login_up.php3 and certain other files.

The Server Administration Panel in Parallels Plesk Panel 10.2.0_build1011110331.18 does not include the HTTPOnly flag in a Set-Cookie header for a cookie, which makes it easier for remote attackers to obtain potentially sensitive information via script access to this cookie, as demonstrated by cookies used by login_up.php3 and certain other files.

The billing system for Parallels Plesk Panel 10.3.1_build1013110726.09 does not disable the SSL 2.0 protocol, which makes it easier for remote attackers to conduct spoofing attacks by leveraging protocol weaknesses.

Multiple cross-site scripting (XSS) vulnerabilities in Parallels Plesk Small Business Panel 10.2.0 allow remote attackers to inject arbitrary web script or HTML via crafted input to a PHP script, as demonstrated by smb/app/available/id/apscatalog/ and certain other files.

The Control Panel in Parallels Plesk Panel 10.2.0 build 20110407.20 omits the Content-Type header's charset parameter for certain resources, which might allow remote attackers to have an unspecified impact by leveraging an interpretation conflict involving smb/user/create and certain other files. NOTE: it is possible that only clients, not the Plesk product, could be affected by this issue.

The Server Administration Panel in Parallels Plesk Panel 10.2.0_build1011110331.18 generates a password form field without disabling the autocomplete feature, which makes it easier for remote attackers to bypass authentication by leveraging an unattended workstation, as demonstrated by forms in admin/reseller/login-info/ and certain other files.

The Control Panel in Parallels Plesk Panel 10.4.4_build20111103.18 omits the Content-Type header's charset parameter for certain resources, which might allow remote attackers to have an unspecified impact by leveraging an interpretation conflict involving admin/customer-service-plan/list/reset-search/true/ and certain other files. NOTE: it is possible that only clients, not the Plesk product, could be affected by this issue.

Parallels Plesk Small Business Panel 10.2.0 receives cleartext password input over HTTP, which allows remote attackers to obtain sensitive information by sniffing the network, as demonstrated by forms in smb/auth and certain other files.

Parallels Plesk Small Business Panel 10.2.0 generates web pages containing external links in response to GET requests with query strings for client@1/domain@1/hosting/file-manager/ and certain other files, which makes it easier for remote attackers to obtain sensitive information by reading (1) web-server access logs or (2) web-server Referer logs, related to a "cross-domain Referer leakage" issue.