Description
The SEOmatic component before 3.3.0 for Craft CMS allows Server-Side Template Injection that leads to RCE via malformed data to the metacontainers controller.
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- Craft CMS < 3.3.0 - Server-Side Template Injection http/cves/2020/CVE-2020-9757.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | nystudio107/craft-seomatic | < 3.3.0 | 3.3.0 | GHSA-6q4j-8pjm-5mgc |
References
- https://github.com/nystudio107/craft-seomatic/blob/v3/CHANGELOG.md
- https://github.com/giany/CVE/blob/master/CVE-2020-9757.txt
- https://github.com/nystudio107/craft-seomatic/commit/65ab659cb6c914c7ad671af1e417c0da2431f79b
- https://github.com/nystudio107/craft-seomatic/commit/a1c2cad7e126132d2442ec8ec8e9ab43df02cc0f