Aggregates CVE and security vulnerability intelligence across all contao-related products, including CVSS, EPSS, publication dates, and vulnerability intelligence data.
Historical issues mainly involve vendor risk path handling, vendor risk sql injection, and vendor risk csrf and related problems; some flaws may lead to vendor impact file overwrite and vendor impact data exposure.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| CVE-2025-65961 | Contao is an Open Source CMS. From version 4.0.0 to before 4.13.57, before 5.3.42, and before 5.6.5, it is possible to inject code into the template output that will be executed in the browser in the front end and back end. This issue has been patched in versions 4.13.57, 5.3.42, and 5.6.5. A workaround for this issue involves not using the affected templates or patch them manually. | [email protected] | 3.3 | 0.03% | 2025-11-25 | 2025-12-03 |
| CVE-2025-65960 | Contao is an Open Source CMS. From version 4.0.0 to before 4.13.57, before 5.3.42, and before 5.6.5, back end users with precise control over the contents of template closures can execute arbitrary PHP functions that do not have required parameters. This issue has been patched in versions 4.13.57, 5.3.42, and 5.6.5. A workaround for this issue involves manually patching the Contao\Template::once() method. | [email protected] | 6.6 | 0.02% | 2025-11-25 | 2025-12-03 |
| CVE-2025-57759 | Contao is an Open Source CMS. In versions starting from 5.3.0 and prior to 5.3.38 and 5.6.1, under certain conditions, back end users may be able to edit fields of pages and articles without having the necessary permissions. This issue has been patched in versions 5.3.38 and 5.6.1. There are no workarounds. | [email protected] | 4.3 | 0.06% | 2025-08-28 | 2025-09-02 |
| CVE-2025-57758 | Contao is an Open Source CMS. In versions starting from 5.0.0 and prior to 5.3.38 and 5.6.1, the table access voter in the back end doesn't check if a user is allowed to access the corresponding module. This issue has been patched in versions 5.3.38 and 5.6.1. A workaround involves not relying solely on the voter and additionally to check USER_CAN_ACCESS_MODULE. | [email protected] | 4.3 | 0.06% | 2025-08-28 | 2025-09-02 |
| CVE-2025-57757 | Contao is an Open Source CMS. In versions starting from 5.0.0 and prior to 5.3.38 and 5.6.1, if a news feed contains protected news archives, their news items are not filtered and become publicly available in the RSS feed. This issue has been patched in versions 5.3.38 and 5.6.1. A workaround involves not adding protected news archives to the news feed page. | [email protected] | 5.3 | 0.07% | 2025-08-28 | 2025-09-02 |
| CVE-2025-57756 | Contao is an Open Source CMS. In versions starting from 4.9.14 and prior to 4.13.56, 5.3.38, and 5.6.1, protected content elements that are rendered as fragments are indexed and become publicly available in the front end search. This issue has been patched in versions 4.13.56, 5.3.38, and 5.6.1. A workaround involves disabling the front end search. | [email protected] | 5.3 | 0.07% | 2025-08-28 | 2025-09-02 |
| CVE-2025-29790 | Contao is an Open Source CMS. Users can upload SVG files with malicious code, which is then executed in the back end and/or front end. This vulnerability is fixed in Contao 4.13.54, 5.3.30, or 5.5.6. | [email protected] | 4.8 | 0.53% | 2025-03-18 | 2025-11-04 |
| CVE-2024-45965 | Contao before 5.5.6 allows XSS via an SVG document. This affects (in contao/core-bundle in Composer) 4.x before 4.13.54, 5.0.x through 5.3.x before 5.3.30, and 5.4.x and 5.5..x before 5.5.6. | [email protected] | 6.4 | 0.34% | 2024-10-02 | 2025-11-13 |
| CVE-2024-45604 | Contao is an Open Source CMS. In affected versions authenticated users in the back end can list files outside the document root in the file selector widget. Users are advised to update to Contao 4.13.49. There are no known workarounds for this vulnerability. | [email protected] | 4.3 | 0.75% | 2024-09-17 | 2024-09-25 |
| CVE-2024-45398 | Contao is an Open Source CMS. In affected versions a back end user with access to the file manager can upload malicious files and execute them on the server. Users are advised to update to Contao 4.13.49, 5.3.15 or 5.4.3. Users unable to update are advised to configure their web server so it does not execute PHP files and other scripts in the Contao file upload directory. | [email protected] | 8.3 | 0.16% | 2024-09-17 | 2024-09-25 |
| CVE-2024-45612 | Contao is an Open Source CMS. In affected versions an untrusted user can inject insert tags into the canonical tag, which are then replaced on the web page (front end). Users are advised to update to Contao 4.13.49, 5.3.15 or 5.4.3. Users unable to upgrade should disable canonical tags in the root page settings. | [email protected] | 5.3 | 0.55% | 2024-09-17 | 2024-09-23 |
| CVE-2024-30262 | Contao is an open source content management system. Prior to version 4.13.40, when a frontend member changes their password in the personal data or the password lost module, the corresponding remember-me tokens are not removed. If someone compromises an account and is able to get a remember-me token, changing the password would not be enough to reclaim control over the account. Version 4.13.40 contains a fix for the issue. As a workaround, disable "Allow auto login" in the login module. | [email protected] | 5.9 | 0.36% | 2024-04-09 | 2025-01-09 |
| CVE-2024-28235 | Contao is an open source content management system. Starting in version 4.9.0 and prior to versions 4.13.40 and 5.3.4, when checking for broken links on protected pages, Contao sends the cookie header to external urls as well, the passed options for the http client are used for all requests. Contao versions 4.13.40 and 5.3.4 have a patch for this issue. As a workaround, disable crawling protected pages. | [email protected] | 8.3 | 0.41% | 2024-04-09 | 2025-01-17 |
| CVE-2024-28234 | Contao is an open source content management system. Starting in version 2.0.0 and prior to versions 4.13.40 and 5.3.4, it is possible to inject CSS styles via BBCode in comments. Installations are only affected if BBCode is enabled. Contao versions 4.13.40 and 5.3.4 have a patch for this issue. As a workaround, disable BBCode for comments. | [email protected] | 4.3 | 0.70% | 2024-04-09 | 2025-01-02 |
| CVE-2024-28191 | Contao is an open source content management system. Starting in version 4.0.0 and prior to version 4.13.40 and 5.3.4, it is possible to inject insert tags in frontend forms if the output is structured in a very specific way. Contao versions 4.13.40 and 5.3.4 have a patch for this issue. As a workaround, do not output user data from frontend forms next to each other, always separate them by at least one character. | [email protected] | 3.1 | 0.96% | 2024-04-09 | 2025-01-17 |
| CVE-2024-28190 | Contao is an open source content management system. Starting in version 4.0.0 and prior to version 4.13.40 and 5.3.4, users can inject malicious code in filenames when uploading files (back end and front end), which is then executed in tooltips and popups in the back end. Contao versions 4.13.40 and 5.3.4 have a patch for this issue. As a workaround, remove upload fields from frontend forms and disable uploads for untrusted back end users. | [email protected] | 5.4 | 0.99% | 2024-04-09 | 2025-01-16 |
| CVE-2018-5478 | Contao 3.x before 3.5.32 allows XSS via the unsubscribe module in the frontend newsletter extension. | [email protected] | 6.1 | 0.08% | 2023-09-21 | 2024-11-21 |
| CVE-2023-36806 | Contao is an open source content management system. Starting in version 4.0.0 and prior to versions 4.9.42, 4.13.28, and 5.1.10, it is possible for untrusted backend users to inject malicious code into headline fields in the back end, which will be executed both in the element preview (back end) and on the website (front end). Installations are only affected if there are untrusted back end users who have the rights to modify headline fields, or other fields using the input unit widget. Contao 4. | [email protected] | 6.5 | 0.38% | 2023-07-25 | 2024-11-21 |
| CVE-2023-29200 | Contao is an open source content management system. Prior to versions 4.9.40, 4.13.21, and 5.1.4, logged in users can list arbitrary system files in the file manager by manipulating the Ajax request. However, it is not possible to read the contents of these files. Users should update to Contao 4.9.40, 4.13.21 or 5.1.4 to receive a patch. There are no known workarounds. | [email protected] | 4.3 | 0.57% | 2023-04-25 | 2025-01-02 |
| CVE-2022-24899 | Contao is a powerful open source CMS that allows you to create professional websites and scalable web applications. In versions of Contao prior to 4.13.3 it is possible to inject code into the canonical tag. As a workaround users may disable canonical tags in the root page settings. | [email protected] | 7.2 | 47.05% | 2022-05-06 | 2024-11-21 |