MediumGHSA-8j9v-4hhh-x43c

Cross-Site Scripting (XSS) in TYPO3 component CSS styled content

Published 4 Jun 2024 · Updated 1 Dec 2024

Affected packages

typo3/cmsComposer

Affected: >=6.2.0 <6.2.19
Fixed in: 6.2.19

Update to the fixed version for your release line, for example:composer require typo3/cms:^6.2.19

typo3/cmsComposer

Affected: >=7.6.0 <7.6.4
Fixed in: 7.6.4

Update to the fixed version for your release line, for example:composer require typo3/cms:^7.6.4

Details

Failing to properly encode user input, the CSS styled content component is susceptible to Cross-Site Scripting, allowing authenticated editors to inject arbitrary HTML or JavaScript.

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References

Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.