CVE-2021-41750
Description
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.
How to fix
- nystudio107/craft-seomatic3.4.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nystudio107 seomatic | 3.4.10 | — |
| nystudio107/craft-seomaticPackagist | v < 3.4.11 | 3.4.11 |
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Attack Surface Management
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