Critical severity9.8NVD Advisory· Published Mar 4, 2020· Updated Jun 17, 2026
CVE-2020-9757
CVE-2020-9757
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
nystudio107/craft-seomaticPackagist | < 3.3.0 | 3.3.0 |
Affected products
3- Craft CMS/SEOmaticdescription
Patches
Vulnerability mechanics
References
6- github.com/nystudio107/craft-seomatic/commit/65ab659cb6c914c7ad671af1e417c0da2431f79bnvdPatchThird Party AdvisoryWEB
- github.com/nystudio107/craft-seomatic/commit/a1c2cad7e126132d2442ec8ec8e9ab43df02cc0fnvdPatchThird Party AdvisoryWEB
- github.com/giany/CVE/blob/master/CVE-2020-9757.txtnvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-6q4j-8pjm-5mgcghsaADVISORY
- github.com/nystudio107/craft-seomatic/blob/v3/CHANGELOG.mdnvdRelease NotesThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2020-9757ghsaADVISORY
News mentions
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