Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nystudio107 | Seomatic | 3.4.10 |
Related Weaknesses (CWE)
References
- https://github.com/nystudio107/craft-seomatic/blob/develop/CHANGELOG.mdRelease NotesThird Party Advisory
- https://github.com/nystudio107/craft-seomatic/commit/4e46b792ce973ac0c652fb33005PatchThird Party Advisory
- https://github.com/nystudio107/craft-seomatic/commit/5f2cdc7c39e0a4bfb60d2f84131PatchThird Party Advisory
- https://github.com/nystudio107/craft-seomatic/blob/develop/CHANGELOG.mdRelease NotesThird Party Advisory
- https://github.com/nystudio107/craft-seomatic/commit/4e46b792ce973ac0c652fb33005PatchThird Party Advisory
- https://github.com/nystudio107/craft-seomatic/commit/5f2cdc7c39e0a4bfb60d2f84131PatchThird Party Advisory
FAQ
What is CVE-2021-41750?
CVE-2021-41750 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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-li...
How severe is CVE-2021-41750?
CVE-2021-41750 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-41750?
Check the references section above for vendor advisories and patch information. Affected products include: Nystudio107 Seomatic.