Description
In the SEOmatic plugin before 3.2.49 for Craft CMS, helpers/DynamicMeta.php does not properly sanitize the URL. This leads to Server-Side Template Injection and credentials disclosure via a crafted Twig template after a semicolon.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | nystudio107/craft-seomatic | < 3.2.49 | 3.2.49 | GHSA-23q7-59jj-2pj4 |
References
- https://github.com/nystudio107/craft-seomatic/releases/tag/3.2.49
- https://github.com/nystudio107/craft-seomatic/blob/v3/CHANGELOG.md#3249---20200324
- https://isec.pl/en/vulnerabilities/isec-0028-seomatic-ssti-23032020.txt
- https://github.com/nystudio107/craft-seomatic/commit/82f4a25b28fd622393da6592dc9e5ccee7fc5be3#diff-52fd042c50432133a00a8f840f4a6165