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CVE-2021-36788: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

September 1, 2021

The yoast_seo (aka Yoast SEO) extension before 7.2.3 for TYPO3 allows XSS.

References

  • github.com/Yoast/Yoast-SEO-for-TYPO3/commit/a8278dae97dce8cd0722d38f7f5a30b563668590
  • github.com/advisories/GHSA-28w5-j8xj-2xwc
  • nvd.nist.gov/vuln/detail/CVE-2021-36788
  • typo3.org/security/advisory/typo3-ext-sa-2021-012

Code Behaviors & Features

Detect and mitigate CVE-2021-36788 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions before 7.2.3

Fixed versions

  • 7.2.3

Solution

Upgrade to version 7.2.3 or above.

Impact 5.4 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Source file

packagist/yoast-seo-for-typo3/yoast_seo/CVE-2021-36788.yml

Spotted a mistake? Edit the file on GitLab.

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