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TI-2021-14909 Aliases CVE-2021-36788GHSA-28w5-j8xj-2xwc

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

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

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

Why it matters now

EPSS 0.00471 40th percentileScored 2026-11-07
Fix Fixed yoast-seo-for-typo3/yoast_seo (Packagist): 7.2.3

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—yoast-seo-for-typo3/yoast_seo (Packagist)before 7.2.37.2.3Patch availableGHSA-28w5-j8xj-2xwc
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • yoast-seo-for-typo3/yoast_seo (Packagist) Vendor— Affected before 7.2.3 Fixed in 7.2.3 Patch available GHSA-28w5-j8xj-2xwc

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:yoast:yoast_seo:*:*:*:*:*:typo3:*:*before 7.2.3VulnerableYoast
  • cpe:2.3:a:yoast:yoast_seo:*:*:*:*:*:typo3:*:* Versions before 7.2.3 Vulnerable ·Yoast

Remediation

  • Fix · GHSA-28w5-j8xj-2xwc yoast-seo-for-typo3/yoast_seo (Packagist) Fixed in 7.2.3 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-36788
  2. 2026-10-03 Alias added: GHSA-28w5-j8xj-2xwc

References

Advisory 3

Other 3

  • TI-2019-10120 The Yoast SEO plugin before 11.6-RC5 for WordPress does not properly restrict unfiltered HTML in term descriptions. CVSS 3.1CRITICAL 9.8
  • TI-2018-13725 A Race condition vulnerability in unzip_file in admin/import/class-import-settings.php in… CVSS 3.0MEDIUM 6.6
  • TI-2021-07396 Yoast SEO 16.7-17.2 - Unauthenticated Full Path Disclosure CVSS 3.1MEDIUM 5.3
  • TI-2023-15596 WordPress Yoast SEO: Local Plugin <= 14.8 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1HIGH 7.1
  • TI-2023-13285 WordPress Yoast SEO Premium plugin <= 20.4 - Unauthenticated Zapier API Key Reset vulnerability CVSS 3.1MEDIUM 5.3
  • TI-2023-13295 WordPress Yoast SEO: Local Plugin <= 14.9 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1MEDIUM 6.5
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences