CVE-2021-35210

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 tllog table that will be executed in the browser when the system log is called in the back end...

CVE-2021-35955

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-2019-19712

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-2019-19714

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-2019-19745

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-2018-5478

Contao 3.x before 3.5.32 allows XSS via the unsubscribe module in the frontend newsletter extension...

CVE-2012-4383

contao prior to 2.11.4 has a sql injection vulnerability...

CVE-2014-1860

Contao CMS through 3.2.4 has PHP Object Injection Vulnerabilities...

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...

Cross-site Scripting (XSS)

Contao is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to improper file validation due to users being able to upload SVG files containing malicious code, which can be executed in the back end and/or front end...

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...

Cross-site Scripting (XSS)

Overview contao/core-bundle is an Open Source PHP Content Management System for people who want a professional website that is easy to maintain. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the uploadTo function in FileUpload.php. An attacker can execute scripts...

GHSA-VQQR-FGMH-F626 Contao Vulnerable to Cross-Site Scripting (XSS) through SVG uploads

Impact Users can upload SVG files with malicious code, which is then executed in the back end and/or front end. Patches Update to Contao 4.13.54, 5.3.30 or 5.5.6. Workarounds Remove svg,svgz from the allowed upload file types in the system settings and from contao.editablefiles in the config.yaml...

Contao Vulnerable to Cross-Site Scripting (XSS) through SVG uploads

Impact Users can upload SVG files with malicious code, which is then executed in the back end and/or front end. Patches Update to Contao 4.13.54, 5.3.30 or 5.5.6. Workarounds Remove svg,svgz from the allowed upload file types in the system settings and from contao.editablefiles in the config.yaml...

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...

CVE-2025-29790 Contao allows cross-site scripting through SVG uploads

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...

CVE-2025-29790 Contao allows cross-site scripting through SVG uploads

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...

CVE-2025-29790 Contao allows cross-site scripting through SVG uploads

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...

CVE-2025-29790

Contao CMS is affected by a Cross‑Site Scripting (XSS) vulnerability triggered by uploading SVG files containing malicious code, which can be executed in backend or frontend contexts. Affected versions are not specified in the initial document, but remediation is provided: upgrade to Contao 4.13....

Contao 跨站脚本漏洞

Contao is Contao open source a set of open source content management system CMS developed using PHP. The system supports search engines, rights management, and CSS frameworks. Contao suffers from a cross-site scripting vulnerability that stems from the fact that users can upload SVG files...