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GHSA-68q5-78xp-cwwclow3.3

Contao is vulnerable to cross-site scripting in templates

Impact

It is possible to inject code into the template output that will be executed in the browser in the front end and back end.

Source excerpt · OSV

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

Affected rangeRecorded fix
From 4.0.0 before 4.13.57Ecosystem versions4.13.57
From 5.0.0-RC1 before 5.3.42Ecosystem versions5.3.42
From 5.4.0-RC1 before 5.6.5Ecosystem versions5.6.5

Version evidence: OSV · GHSA-68q5-78xp-cwwc

View original version evidence (435 explicit versions)

Original source description

Impact

It is possible to inject code into the template output that will be executed in the browser in the front end and back end.

Patches

Update to Contao 4.13.57, 5.3.42 or 5.6.5.

Workarounds

Do not use the affected templates or patch them manually.

Refsources

https://contao.org/en/security-advisories/cross-site-scripting-in-templates

References