membership_tool.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to enumerate user account names via a crafted URL.

kupu_spellcheck.py in Kupu in Plone before 4.0 allows remote attackers to cause a denial of service (ZServer thread lock) via a crafted URL.

python_scripts.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to execute Python code via a crafted URL, related to "go_back."

Cross-site scripting (XSS) vulnerability in python_scripts.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, related to "{u,}translate."

gtbn.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote authenticated users with certain permissions to bypass the Python sandbox and execute arbitrary Python code via unspecified vectors.

uid_catalog.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to obtain metadata about hidden objects via a crafted URL.

z3c.form, as used in Plone before 4.2.3 and 4.3 before beta 1, allows remote attackers to obtain the default form field values by leveraging knowledge of the form location and the element id.

Cross-site scripting (XSS) vulnerability in kssdevel.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

The App.Undo.UndoSupport.get_request_var_or_attr function in Zope before 2.12.21 and 3.13.x before 2.13.11, as used in Plone before 4.2.3 and 4.3 before beta 1, allows remote authenticated users to gain access to restricted attributes via unspecified vectors.

python_scripts.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to execute Python code via a crafted URL, related to createObject.

The sandbox whitelisting function (allowmodule.py) in Plone before 4.2.3 and 4.3 before beta 1 allows remote authenticated users with certain privileges to bypass the Python sandbox restriction and execute arbitrary Python code via vectors related to importing.

ZPublisher.HTTPRequest._scrubHeader in Zope 2 before 2.13.19, as used in Plone before 4.3 beta 1, allows remote attackers to inject arbitrary HTTP headers via a linefeed (LF) character.

registerConfiglet.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to execute Python code via unspecified vectors, related to the admin interface.

Products/CMFPlone/CatalogTool.py in Plone 3.3 through 4.3.2 allows remote administrators to bypass restrictions and obtain sensitive information via an unspecified search API.

Products/CMFPlone/FactoryTool.py in Plone 3.3 through 4.3.2 allows remote attackers to obtain the installation path via vectors related to a file object for unspecified documentation which is initialized in class scope.

mail_password.py in Plone 2.1 through 4.1, 4.2.x through 4.2.5, and 4.3.x through 4.3.1 allows remote authenticated users to bypass the prohibition on password changes via the forgotten password email functionality.

(1) cb_decode.py and (2) linkintegrity.py in Plone 2.1 through 4.1, 4.2.x through 4.2.5, and 4.3.x through 4.3.1 allow remote authenticated users to cause a denial of service (resource consumption) via a large zip archive, which is expanded (decompressed).

member_portrait.py in Plone 2.1 through 4.1, 4.2.x through 4.2.5, and 4.3.x through 4.3.1 allows remote authenticated users to modify or delete portraits of other users via unspecified vectors.

Multiple open redirect vulnerabilities in (1) marmoset_patch.py, (2) publish.py, and (3) principiaredirect.py in Plone 2.1 through 4.1, 4.2.x through 4.2.5, and 4.3.x through 4.3.1 allow remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors.

The object manager implementation (objectmanager.py) in Plone 2.1 through 4.1, 4.2.x through 4.2.5, and 4.3.x through 4.3.1 does not properly restrict access to internal methods, which allows remote attackers to obtain sensitive information via a crafted request.