CVE-2021-41750
MEDIUM6.1EPSS 0.47%Cross-site Scripting in SEOmatic plugin
Published: 6/13/2022Modified: 11/8/2023
Also known as:GHSA-6hjc-m38h-7jhh
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.
Affected packages (1)
- Packagist/nystudio107/craft-seomaticfrom 0, < 3.4.11
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-41750
- PATCHhttps://github.com/nystudio107/craft-seomatic
- WEBhttps://github.com/nystudio107/craft-seomatic/blob/develop/CHANGELOG.md
- WEBhttps://github.com/nystudio107/craft-seomatic/commit/4e46b792ce973ac0c652fb330055f41aca1981c8
- WEBhttps://github.com/nystudio107/craft-seomatic/commit/5f2cdc7c39e0a4bfb60d2f84131508f0a87b2873