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.
References (3)
Core 3
Core References
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/nystudio107/craft-seomatic/blob/develop/CHANGELOG.md
Patch, Third Party Advisory x_refsource_misc
https://github.com/nystudio107/craft-seomatic/commit/5f2cdc7c39e0a4bfb60d2f84131508f0a87b2873
Patch, Third Party Advisory x_refsource_misc
https://github.com/nystudio107/craft-seomatic/commit/4e46b792ce973ac0c652fb330055f41aca1981c8
Scores
CVSS v3
6.1
EPSS
0.0047
EPSS Percentile
64.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-79
Status
published
Products (2)
nystudio107/craft-seomatic
0 - 3.4.11Packagist
nystudio107/seomatic
3.4.10
Published
Jun 12, 2022
Tracked Since
Feb 18, 2026