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  5. CVE-2020-9757

CVE-2020-9757: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

May 24, 2022 (updated August 11, 2023)

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.

References

  • github.com/advisories/GHSA-6q4j-8pjm-5mgc
  • github.com/giany/CVE/blob/master/CVE-2020-9757.txt
  • github.com/nystudio107/craft-seomatic/blob/v3/CHANGELOG.md
  • github.com/nystudio107/craft-seomatic/commit/65ab659cb6c914c7ad671af1e417c0da2431f79b
  • github.com/nystudio107/craft-seomatic/commit/a1c2cad7e126132d2442ec8ec8e9ab43df02cc0f
  • nvd.nist.gov/vuln/detail/CVE-2020-9757

Code Behaviors & Features

Detect and mitigate CVE-2020-9757 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions before 3.3.0

Fixed versions

  • 3.3.0

Solution

Upgrade to version 3.3.0 or above.

Impact 9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Source file

packagist/nystudio107/craft-seomatic/CVE-2020-9757.yml

Spotted a mistake? Edit the file on GitLab.

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