CVE-2020-9757

highpriority · attend · 64EPSS 0.728 · 99 %ileEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

72.8% (99th) EPSS

CVSS 7.5 · high

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-74USprimaryCWE-74US

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
craftcms craft cms< 3.3.0nvdUScpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*
Packagist nystudio107/craft-seomatic< 3.3.0osvUSpkg:composer/nystudio107/craft-seomatic

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-6q4j-8pjm-5mgcSEOmatic for CraftCMS allows Server-Side Template Injection2022-05-24ghsa · osvUS
The Seomatic component before 3.2.46 for Craft CMS allows Server-Side Template Injection and information disclosure via malformed data to the metacontainers controller.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2020-03-04modified 2026-06-17

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+5979 more

references (14)

External citations — patches, advisories, analysis.

scry

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