CVE-2020-9757
CRITICAL
9.8
CVSS Score
Published: March 4, 2020 at 04:03 PM UTC
Updated: June 17, 2026 at 03:28 AM UTC
1 product affected across 1 vendorCraftcms
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Severity
CRITICAL9.8
Exploit prediction
EPSS 73%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Craftcms· Craftcmscomposer
95%v < 3.3.0
Affected range stops below 3.3.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/giany/CVE/blob/master/CVE-2020-9757.txtx_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/nystudio107/craft-seomatic/blob/v3/CHANGELOG.mdx_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/nystudio107/craft-seomatic/commit/65ab659cb6c914c7ad671af1e417c0da2431f79bx_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/nystudio107/craft-seomatic/commit/a1c2cad7e126132d2442ec8ec8e9ab43df02cc0fCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-74
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