GitHub Advisoryadvisory · Packagist

GHSA-28w5-j8xj-2xwc Cross-site Scripting in the yoast_seo TYPO3 extension

MEDIUM Published 2021-09-01 Modified 2021-08-30 Official page ↗

Aliases: CVE-2021-36788
Ecosystem: Packagist
Packages: yoast-seo-for-typo3/yoast_seo
Severity: Moderate
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weaknesses: CWE-79
Reviewed: 2021-08-30

Affected packages

• Packagist yoast-seo-for-typo3/yoast_seo: < 7.2.3 → fixed in 7.2.3

Description

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

Related

Alias · CVE (1)

CVE-2021-36788 The yoast_seo (aka Yoast SEO) extension before 7.2.3 for TYPO3 allows XSS. vulnerability

Weakness · CWE (1)

CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References