An issue was discovered in TYPO3 before 8.7.30, 9.x before 9.5.12, and 10.x before 10.2.2. It has been discovered that the extraction of manually uploaded ZIP archives in Extension Manager is vulnerable to directory traversal. Admin privileges are required in order to exploit this vulnerability. (In v9 LTS and later, System Maintainer privileges are also required.)

The TYPO3 Core wec_discussion extension before 2.1.1 is vulnerable to SQL Injection due to improper sanitation of user-supplied input.

It was found that Typo3 Core versions 4.5.0 - 4.5.5 uses prepared statements that, if the parameter values are not properly replaced, could lead to a SQL Injection vulnerability. This issue can only be exploited if two or more parameters are bound to the query and at least two come from user input.

TYPO3 before 4.4.9 and 4.5.x before 4.5.4 does not apply proper access control on ExtDirect calls which allows remote attackers to retrieve ExtDirect endpoint services.

Cross-site Scripting (XSS) in TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to inject arbitrary web script or HTML via the RemoveXSS function.

TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to delete arbitrary files on the webserver.

TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to extract arbitrary information from the TYPO3 database.

TYPO3 before 4.5.4 allows Information Disclosure in the backend.

Cross-site Scripting (XSS) in TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to inject arbitrary web script or HTML via the tcemain flash message.

Cross-site Scripting (XSS) in TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to inject arbitrary web script or HTML via the system extension recycler.

Cross-site Scripting (XSS) in TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to inject arbitrary web script or HTML via the browse_links wizard.

Cross-site Scripting (XSS) in TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to inject arbitrary web script or HTML via the admin panel.

TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to bypass authentication mechanisms in the backend through a crafted request.

TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows Information Disclosure on the backend.

Cross-site Scripting (XSS) in TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to inject arbitrary web script or HTML via the "JSwindow" property of the typolink function.

TYPO3 before 4.4.1 allows XSS in the frontend search box.

TYPO3 before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows information disclosure in the mail header of the HTML mailing API.

TYPO3 before 4.3.4 and 4.4.x before 4.4.1 allows XSS in the textarea view helper in an extbase extension.

TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 is open to a session fixation attack which allows remote attackers to hijack a victim's session.

TYPO3 before 4.3.4 and 4.4.x before 4.4.1 contains insecure randomness during generation of a hash with the "forgot password" function.

TYPO3 before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows XSS and Open Redirection in the frontend login box.

TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows Header Injection in the secure download feature jumpurl.

TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows Spam Abuse in the native form content element.

TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 contains insecure randomness in the uniqid function.

TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows XSS on the Extension Manager.

TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows Information Disclosure on the backend.

TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 contains an insecure default value of the variable fileDenyPattern which could allow remote attackers to execute arbitrary code on the backend.

TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows SQL Injection on the backend.

TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows Open Redirection on the backend.

TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows XSS on the backend.

TYPO3 8.3.0 through 8.7.26 and 9.0.0 through 9.5.7 allows XSS.

TYPO3 8.x through 8.7.26 and 9.x through 9.5.7 allows Deserialization of Untrusted Data.

TYPO3 8.x before 8.7.25 and 9.x before 9.5.6 allows remote code execution because it does not properly configure the applications used for image processing, as demonstrated by ImageMagick or GraphicsMagick.

The PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before 3.1.1 for TYPO3 does not prevent directory traversal, which allows attackers to bypass a deserialization protection mechanism, as demonstrated by a phar:///path/bad.phar/../good.phar URL.

PharMetaDataInterceptor in the PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before 3.1.1 for TYPO3 mishandles Phar stub parsing, which allows attackers to bypass a deserialization protection mechanism.

The page module in TYPO3 before 8.7.11, and 9.1.0, has XSS via $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'], as demonstrated by an admin entering a crafted site name during the installation process.

Multiple cross-site scripting (XSS) vulnerabilities in TYPO3 CMS 4.1.x before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4, and 4.4.x before 4.4.1 allow remote authenticated backend users to inject arbitrary web script or HTML via unspecified parameters to the extension manager, or unspecified parameters to unknown backend forms.

Unrestricted File Upload vulnerability in the fileDenyPattern in sysext/core/Classes/Core/SystemEnvironmentBuilder.php in TYPO3 7.6.0 to 7.6.21 and 8.0.0 to 8.7.4 allows remote authenticated users to upload files with a .pht extension and consequently execute arbitrary PHP code.

TYPO3 7.6.15 sends an http request to an index.php?loginProvider URI in cases with an https Referer, which allows remote attackers to obtain sensitive cleartext information by sniffing the network and reading the userident and username fields.

Cross-site scripting (XSS) vulnerability in the Backend component in TYPO3 6.2.x before 6.2.19 allows remote attackers to inject arbitrary web script or HTML via the module parameter when creating a bookmark.

Extbase in TYPO3 4.3.0 before 6.2.24, 7.x before 7.6.8, and 8.1.1 allows remote attackers to obtain sensitive information or possibly execute arbitrary code via a crafted Extbase action.

Multiple cross-site scripting (XSS) vulnerabilities in unspecified frontend components in TYPO3 6.2.x before 6.2.16 and 7.x before 7.6.1 allow remote authenticated editors to inject arbitrary web script or HTML via unknown vectors.

The Flvplayer component in TYPO3 6.2.x before 6.2.16 allows remote attackers to embed Flash videos from external domains via unspecified vectors, aka "Cross-Site Flashing."

Multiple cross-site scripting (XSS) vulnerabilities in unspecified backend components in TYPO3 6.2.x before 6.2.16 and 7.x before 7.6.1 allow remote authenticated editors to inject arbitrary web script or HTML via unknown vectors.

Cross-site scripting (XSS) vulnerability in the Extension Manager in TYPO3 6.2.x before 6.2.16 and 7.x before 7.6.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors related to extension data during an extension installation.

Cross-site scripting (XSS) vulnerability in the typoLink function in TYPO3 6.2.x before 6.2.16 and 7.x before 7.6.1 allows remote authenticated editors to inject arbitrary web script or HTML via a link field.

Cross-site scripting (XSS) vulnerability in the search result view in the Indexed Search (indexed_search) component in TYPO3 6.2.x before 6.2.16 allows remote authenticated editors to inject arbitrary web script or HTML via unspecified vectors.

The sanitizeLocalUrl function in TYPO3 6.x before 6.2.15, 7.x before 7.4.0, 4.5.40, and earlier allows remote authenticated users to bypass the XSS filter and conduct cross-site scripting (XSS) attacks via a base64 encoded data URI, as demonstrated by the (1) returnUrl parameter to show_rechis.php and the (2) redirect_url parameter to index.php.

TYPO3 Neos 1.1.x before 1.1.3 and 1.2.x before 1.2.3 allows remote editors to access, create, and modify content nodes in the workspace of other editors via unspecified vectors.

The rsaauth extension in TYPO3 4.3.0 through 4.3.14, 4.4.0 through 4.4.15, 4.5.0 through 4.5.39, and 4.6.0 through 4.6.18, when configured for the frontend, allows remote attackers to bypass authentication via a password that is casted to an empty value.

The frontend rendering component in TYPO3 4.5.x before 4.5.39, 4.6.x through 6.2.x before 6.2.9, and 7.x before 7.0.2, when config.prefixLocalAnchors is set and using a homepage with links that only contain anchors, allows remote attackers to change URLs to arbitrary domains for those links via unknown vectors.