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CVE-2026-109162

TYPO3 CMS - Security Misconfiguration in Form Framework

Forms using FileUpload or ImageUpload elements with a custom saveToFileMount configured stored uploaded files in the default storage folder 1:/user_upload/ instead of the configured destination. This could cause uploaded files to end up in a publicly accessible storage even though a restricted, non-public storage had been configured. Files stored this way are served directly, without the access checks applied to non-public storages. Forms that use the default value for saveToFileMount are not affected. This issue affects TYPO3 CMS versions 14.0.0-14.3.8.

CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3 Cms
CVE-2026-85400

TYPO3 CMS - Missing Authorization in lowlevel commands

Backend administrators without system maintainer privileges were able to schedule any of the configuration:read, configuration:set, and configuration:show commands. This allowed them to modify arbitrary system configuration, which is normally limited to system maintainers. As a consequence, this allowed them, for example, to gain system maintainer privileges or cause a denial of service. Exploiting this vulnerability requires an administrator-level backend user account. This issue affects TYPO3 CMS versions 14.2.0-14.3.6.

CVSS 4.0 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2026-77132

TYPO3 CMS - Information Disclosure via Backend Localization Wizard

It has been discovered that several AJAX routes used for the backend localization wizard failed to perform authorization checks. This allowed authenticated, low-privileged backend users to access information about records and content elements that fall outside of their permitted range. Exploiting this vulnerability requires a low-privileged backend user account. This issue affects TYPO3 CMS versions 10.0.0-10.4.59, 11.0.0-11.5.53, 12.0.0-12.4.48, 13.0.0-13.4.34 and 14.0.0-14.3.6.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2026-19418

TYPO3 CMS - Broken Access Control in Backend and Install Tool

The referrer enforcement introduced with TYPO3-CORE-SA-2020-006 (CVE-2020-11069) became ineffective in TYPO3 v13.0, where TYPO3 CMS started serving the backend and Install Tool applications from the site's main entry script instead of the dedicated typo3/ directory. Whether a request originated from the backend or Install Tool itself was determined by comparing the referrer against the directory of the entry script, which since then is the site root. As a consequence, requests originating from any script running on one of the TYPO3 instance's own domains, such as a frontend page, were accepted by backend routes and Install Tool endpoints. Attackers able to execute JavaScript on one of those domains, for instance by exploiting a cross-site scripting vulnerability, could invoke these endpoints via Fetch/XHR with the privileges of an authenticated victim's user session. This issue affects TYPO3 CMS versions 13.0.0-13.4.33 and 14.0.0-14.3.5.

CVSS 4.0 · 7.3 High EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2026-49741

TYPO3 CMS - Privilege Escalation & SQL Injection in Form Framework

Backend users with write access to the form_definition database table were able to directly create, update, or delete form definition records via DataHandler, bypassing the Form Framework's persistence validation and permission checks. This allowed injecting arbitrary form configurations, re-enabling attack vectors originally addressed in TYPO3-CORE-SA-2018-003, including SQL injection and privilege escalation. This issue affects TYPO3 CMS versions 14.0.0-14.3.2.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2026-49740

TYPO3 CMS - Insecure Deserialization in Core API

TYPO3's cache frontend (VariableFrontend) and persistent key-value store (Registry) deserialized PHP payloads without integrity validation or class restrictions. An attacker with write access to the underlying storage backend (cache store or sys_registry database table) could inject a crafted serialized payload to trigger PHP Object Injection, potentially exploiting a gadget chain to achieve Remote Code Execution or other high-impact effects. Exploiting this vulnerability requires direct local write access to the storage, such as the SQL database or file system. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 14.0.0-14.3.2.

CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2026-49738

TYPO3 CMS - Broken Access Control in File Abstraction Layer

The path allowance check in GeneralUtility::isAllowedAbsPath() performed a plain string prefix comparison without requiring a directory separator boundary, causing a path like /var/www/html-other/secret.yaml to be incorrectly accepted as valid when the project root was /var/www/html. Administrator users with access to the File Abstraction Layer were able to create new file storage definitions pointing to directories outside the project root, bypassing this path check. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 14.0.0-14.3.2.

CVSS 4.0 · 2.1 Low EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2026-47352

TYPO3 CMS - Broken Access Control in Backend API

Authenticated backend users were able to retrieve file metadata via several Backend API routes without proper permission checks, allowing access to files outside their permitted file mounts or storages. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 14.0.0-14.3.2.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2026-47350

TYPO3 CMS - Broken Access Control in DataHandler

Backend users were able to move records to a different page without having edit permissions on the source page. This issue affects TYPO3 CMS versions 13.0.0-13.4.30 and 14.0.0-14.3.2.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2026-47349

TYPO3 CMS - Broken Access Control in Recycler

Backend users with access to the Recycler module were able to restore soft-deleted records on pages or for tables they were not authorized to modify. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 14.0.0-14.3.2.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2026-11607

TYPO3 CMS - Broken Access Control in Form Framework

Backend users with access to the Form Framework were able to use files not ending in .form.yaml as form definitions, which were processed without denying the incorrect file extension. Maliciously crafted form definition files can be used to execute arbitrary SQL statements, allowing attackers to escalate privileges by creating administrative backend user accounts. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 14.0.0-14.3.2.

CVSS 4.0 · 7.6 High EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2026-15305

TYPO3 CMS - Unrestricted File Upload in Form Framework

Users were able to upload files with arbitrary MIME types to forms using FileUpload or ImageUpload elements with allowedMimeTypes configured. The restriction was not enforced server-side because the MimeTypeValidator was registered during form building before concrete form definition properties were applied, resulting in the validator never being added to the processing pipeline. This issue affects TYPO3 CMS versions 14.2.0-14.3.4.

CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2024-55924

Cross-Site Request Forgery in Scheduler Module in TYPO3

TYPO3 is a free and open source Content Management Framework. A vulnerability has been identified in the backend user interface functionality involving deep links. Specifically, this functionality is susceptible to Cross-Site Request Forgery (CSRF). Additionally, state-changing actions in downstream components incorrectly accepted submissions via HTTP GET and did not enforce the appropriate HTTP method. Successful exploitation of this vulnerability requires the victim to have an active session on the backend user interface and to be deceived into interacting with a malicious URL targeting the backend, which can occur under the following conditions: The user opens a malicious link, such as one sent via email. The user visits a compromised or manipulated website while the following settings are misconfigured: 1. `security.backend.enforceReferrer` feature is disabled, 2. `BE/cookieSameSite` configuration is set to lax or none. The vulnerability in the affected downstream component “Scheduler Module” allows attackers to trigger pre-defined command classes - which can lead to unauthorized import or export of data in the worst case. Users are advised to update to TYPO3 versions 11.5.42 ELTS which fixes the problem described. There are no known workarounds for this vulnerability.

CVSS 3.1 · 8 High EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2022-36108

Cross-Site Scripting in typo3/cms-core

TYPO3 is an open source PHP based web content management system released under the GNU GPL. It has been discovered that the `f:asset.css` view helper is vulnerable to cross-site scripting when user input is passed as variables to the CSS. Update to TYPO3 version 10.4.32 or 11.5.16 that fix the problem. There are no known workarounds for this issue.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2022-36107

Stored Cross-Site Scripting via FileDumpController

TYPO3 is an open source PHP based web content management system released under the GNU GPL. It has been discovered that the `FileDumpController` (backend and frontend context) is vulnerable to cross-site scripting when malicious files are displayed using this component. A valid backend user account is needed to exploit this vulnerability. Update to TYPO3 version 7.6.58 ELTS, 8.7.48 ELTS, 9.5.37 ELTS, 10.4.32 or 11.5.16 that fix the problem. There are no known workarounds for this issue.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2026-47348

TYPO3 CMS - Cross-Site Scripting in Indexed Search

Editors with access to create or modify page content were able to include HTML markup in page titles that were stored in the search index without sanitization. When displayed in frontend search results via the Indexed Search plugin, these titles were rendered without proper output encoding, resulting in a Cross-Site Scripting vulnerability. This issue affects TYPO3 CMS versions 13.0.0-13.4.30 and 14.0.0-14.3.2.

CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2026-47347

TYPO3 CMS - Open Redirect in Core Utilities

Applications that use GeneralUtility::sanitizeLocalUrl to allow only local URLs are vulnerable to open redirect attacks if the URL is used after it has passed the aforementioned sanitization checks. This enables attackers to redirect users to external content and carry out phishing attacks. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 14.0.0-14.3.2.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2026-47351

TYPO3 CMS - Broken Access Control in Clipboard

Backend users were able to insert arbitrary records and files into the TYPO3 clipboard without proper read permission checks, which allowed users to gather information about records and files they were not authorized to view. This issue affects TYPO3 CMS versions 10.4.0-13.4.30 and 14.0.0-14.3.2.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2026-49742

TYPO3 CMS - Broken Access Control in Media Module

Backend users with file download permissions were able to download files from the fallback storage of the file abstraction layer (FAL) via the Media Module. Since the fallback storage resolves paths relative to the server's document root, this could expose sensitive files such as log files. This issue affects TYPO3 CMS versions 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 14.0.0-14.3.2.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3
CVE-2026-47343

TYPO3 CMS - Destructive Actions on File Mount Folders

Non-privileged backend users with file mount access were able to perform write operations (move, delete, rename) on folders representing the root of an active file mount due to missing authorization restrictions. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0 through 11.5.50, 12.0.0 through 12.4.45, 13.0.0 through 13.4.30, and 14.0.0 through 14.3.2.

CVSS 4.0 · 7.2 High EPSS < 1% KEV · Not listed
Vendors
Typo3
Products
Typo3