CMS
by Contao
CVEs (46)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2023-36806 | Med | 0.35 | 6.5 | 0.01 | Jul 25, 2023 | 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… | ||
| CVE-2020-25768 | Med | 0.35 | 5.3 | 0.01 | Oct 7, 2020 | Contao before 4.4.52, 4.9.x before 4.9.6, and 4.10.x before 4.10.1 have Improper Input Validation. It is possible to inject insert tags in front end forms which will be replaced when the page is rendered. | ||
| CVE-2019-19714 | Med | 0.35 | 5.3 | 0.01 | Dec 17, 2019 | Contao 4.8.4 and 4.8.5 has Improper Encoding or Escaping of Output. It is possible to inject insert tags into the login module which will be replaced when the page is rendered. | ||
| CVE-2019-19712 | Med | 0.35 | 5.3 | 0.01 | Dec 17, 2019 | Contao 4.0 through 4.8.5 has Insecure Permissions. Back end users can manipulate the details view URL to show pages and articles that have not been enabled for them. | ||
| CVE-2018-20028 | Med | 0.35 | 6.5 | 0.01 | Apr 17, 2019 | Contao 3.x before 3.5.37, 4.4.x before 4.4.31 and 4.6.x before 4.6.11 has Incorrect Access Control. | ||
| CVE-2018-5478 | Med | 0.33 | 6.1 | 0.00 | Sep 21, 2023 | Contao 3.x before 3.5.32 allows XSS via the unsubscribe module in the frontend newsletter extension. | ||
| CVE-2024-30262 | Med | 0.31 | 5.9 | 0.01 | Apr 9, 2024 | 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… | ||
| CVE-2021-35955 | Med | 0.31 | 4.8 | 0.01 | Aug 12, 2021 | Contao >=4.0.0 allows backend XSS via HTML attributes to an HTML field. Fixed in 4.4.56, 4.9.18, 4.11.7. | ||
| CVE-2024-28190 | Med | 0.28 | 5.4 | 0.01 | Apr 9, 2024 | 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… | ||
| CVE-2025-57757 | Med | 0.27 | 5.3 | 0.00 | Aug 28, 2025 | 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… | ||
| CVE-2025-57756 | Med | 0.27 | 5.3 | 0.00 | Aug 28, 2025 | 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,… | ||
| CVE-2024-45612 | Med | 0.27 | 5.3 | 0.00 | Sep 17, 2024 | 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… | ||
| CVE-2025-57759 | Med | 0.21 | 4.3 | 0.00 | Aug 28, 2025 | 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… | ||
| CVE-2025-57758 | Med | 0.21 | 4.3 | 0.00 | Aug 28, 2025 | 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… | ||
| CVE-2024-45604 | Med | 0.21 | 4.3 | 0.00 | Sep 17, 2024 | 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. | ||
| CVE-2024-28234 | Med | 0.21 | 4.3 | 0.01 | Apr 9, 2024 | 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… | ||
| CVE-2023-29200 | Med | 0.21 | 4.3 | 0.01 | Apr 25, 2023 | 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… | ||
| CVE-2015-0269 | Med | 0.21 | 4.3 | 0.02 | May 26, 2017 | Directory traversal vulnerability in Contao before 3.2.19, and 3.4.x before 3.4.4 allows remote authenticated "back end" users to view files outside their file mounts or the document root via unspecified vectors. | ||
| CVE-2025-65961 | Low | 0.14 | 3.3 | 0.00 | Nov 25, 2025 | 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,… | ||
| CVE-2026-55825 | Low | 0.13 | 3.1 | 0.00 | Jul 31, 2026 | Contao is an Open Source CMS. In versions 5.7.0 through 5.7.6, an authenticated backend user who can access one job can request an attachment identifier containing ../ segments and make the job attachment download endpoint read a file from another job directory inside… |
- risk 0.35cvss 6.5epss 0.01
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…
- risk 0.35cvss 5.3epss 0.01
Contao before 4.4.52, 4.9.x before 4.9.6, and 4.10.x before 4.10.1 have Improper Input Validation. It is possible to inject insert tags in front end forms which will be replaced when the page is rendered.
- risk 0.35cvss 5.3epss 0.01
Contao 4.8.4 and 4.8.5 has Improper Encoding or Escaping of Output. It is possible to inject insert tags into the login module which will be replaced when the page is rendered.
- risk 0.35cvss 5.3epss 0.01
Contao 4.0 through 4.8.5 has Insecure Permissions. Back end users can manipulate the details view URL to show pages and articles that have not been enabled for them.
- risk 0.35cvss 6.5epss 0.01
Contao 3.x before 3.5.37, 4.4.x before 4.4.31 and 4.6.x before 4.6.11 has Incorrect Access Control.
- risk 0.33cvss 6.1epss 0.00
Contao 3.x before 3.5.32 allows XSS via the unsubscribe module in the frontend newsletter extension.
- risk 0.31cvss 5.9epss 0.01
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…
- risk 0.31cvss 4.8epss 0.01
Contao >=4.0.0 allows backend XSS via HTML attributes to an HTML field. Fixed in 4.4.56, 4.9.18, 4.11.7.
- risk 0.28cvss 5.4epss 0.01
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…
- risk 0.27cvss 5.3epss 0.00
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…
- risk 0.27cvss 5.3epss 0.00
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,…
- risk 0.27cvss 5.3epss 0.00
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…
- risk 0.21cvss 4.3epss 0.00
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…
- risk 0.21cvss 4.3epss 0.00
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…
- risk 0.21cvss 4.3epss 0.00
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.
- risk 0.21cvss 4.3epss 0.01
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…
- risk 0.21cvss 4.3epss 0.01
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…
- risk 0.21cvss 4.3epss 0.02
Directory traversal vulnerability in Contao before 3.2.19, and 3.4.x before 3.4.4 allows remote authenticated "back end" users to view files outside their file mounts or the document root via unspecified vectors.
- risk 0.14cvss 3.3epss 0.00
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,…
- risk 0.13cvss 3.1epss 0.00
Contao is an Open Source CMS. In versions 5.7.0 through 5.7.6, an authenticated backend user who can access one job can request an attachment identifier containing ../ segments and make the job attachment download endpoint read a file from another job directory inside…
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