GHSA-6hjc-m38h-7jhh
Dashboard / Vulnerabilities / GHSA-6hjc-m38h-7jhh
Summary: Cross-site Scripting in SEOmatic plugin
Details: A cross-site scripting (XSS) vulnerability in the SEOmatic plugin 3.4.10 for Craft CMS 3 allows remote attackers to inject arbitrary web script via a GET to /index.php?action=seomatic/file/seo-file-link with url parameter containing the base64 encoded URL of a malicious web page / file and fileName parameter containing an arbitrary filename with the intended content-type to be rendered in the user's browser as the extension.
References: https://nvd.nist.gov/vuln/detail/CVE-2021-41750, https://github.com/nystudio107/craft-seomatic/commit/4e46b792ce973ac0c652fb330055f41aca1981c8, https://github.com/nystudio107/craft-seomatic/commit/5f2cdc7c39e0a4bfb60d2f84131508f0a87b2873, https://github.com/nystudio107/craft-seomatic, https://github.com/nystudio107/craft-seomatic/blob/develop/CHANGELOG.md
Affected packages
Package
Name: nystudio107/craft-seomatic
Purl: pkg:composer/nystudio107/craft-seomatic
Affected ranges
Type: ECOSYSTEM
Events:
