Vulnerabilities (CVE)

Filtered by vendor Contao Subscribe
Filtered by product Contao
Total 32 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2021-37627 1 Contao 1 Contao 2026-06-17 6.5 MEDIUM 8.0 HIGH
Contao is an open source CMS that allows creation of websites and scalable web applications. In affected versions it is possible to gain privileged rights in the Contao back end. Installations are only affected if they have untrusted back end users who have access to the form generator. All users are advised to update to Contao 4.4.56, 4.9.18 or 4.11.7. As a workaround users may disable the form generator or disable the login for untrusted back end users.
CVE-2021-37626 1 Contao 1 Contao 2026-06-17 6.5 MEDIUM 7.2 HIGH
Contao is an open source CMS that allows you to create websites and scalable web applications. In affected versions it is possible to load PHP files by entering insert tags in the Contao back end. Installations are only affected if they have untrusted back end users who have the rights to modify fields that are shown in the front end. Update to Contao 4.4.56, 4.9.18 or 4.11.7 to resolve. If you cannot update then disable the login for untrusted back end users.
CVE-2021-35955 1 Contao 1 Contao 2026-06-17 3.5 LOW 4.8 MEDIUM
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-2021-35210 1 Contao 1 Contao 2026-06-17 4.3 MEDIUM 6.1 MEDIUM
Contao 4.5.x through 4.9.x before 4.9.16, and 4.10.x through 4.11.x before 4.11.5, allows XSS. It is possible to inject code into the tl_log table that will be executed in the browser when the system log is called in the back end.
CVE-2020-25768 1 Contao 1 Contao 2026-06-17 5.0 MEDIUM 5.3 MEDIUM
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-2019-19745 1 Contao 1 Contao 2026-06-17 6.5 MEDIUM 8.8 HIGH
Contao 4.0 through 4.8.5 allows PHP local file inclusion. A back end user with access to the form generator can upload arbitrary files and execute them on the server.
CVE-2019-19714 1 Contao 1 Contao 2026-06-17 5.0 MEDIUM 5.3 MEDIUM
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 1 Contao 1 Contao 2026-06-17 5.0 MEDIUM 5.3 MEDIUM
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-2019-11512 1 Contao 1 Contao 2026-06-17 7.5 HIGH 9.8 CRITICAL
Contao 4.x allows SQL Injection. Fixed in Contao 4.4.39 and Contao 4.7.5.
CVE-2018-5478 1 Contao 1 Contao 2026-06-17 N/A 6.1 MEDIUM
Contao 3.x before 3.5.32 allows XSS via the unsubscribe module in the frontend newsletter extension.
CVE-2018-10125 1 Contao 1 Contao 2026-06-17 4.3 MEDIUM 6.1 MEDIUM
Contao before 4.5.7 has XSS in the system log.
CVE-2012-4383 1 Contao 1 Contao 2026-06-16 6.5 MEDIUM 8.8 HIGH
contao prior to 2.11.4 has a sql injection vulnerability