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GHSA-28w5-j8xj-2xwc

Cross-site Scripting in the yoast_seo TYPO3 extension

Source: GitHub Advisory Database (reviewed) Moderate CVE-2021-36788

Packages

EcosystemPackageAffectedFixed in
Packagist yoast-seo-for-typo3/yoast_seo < 7.2.3 7.2.3

Details

As written in the advisory (Markdown source, shown as plain text).

The extension fails to properly encode user input for output in HTML context. A TYPO3 backend user account is required to exploit the vulnerability.

References

External links from the advisory. They lead to third-party sites.