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CVE-2020-9757 — Vulnerability in nystudio107/craft-seomatic — CVE...

CRITICAL

SEOmatic for CraftCMS allows Server-Side Template Injection

Published May 24, 2022Updated February 16, 2024Source: osv

Summary

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.

Advisory Timeline

  • First published May 24, 2022 (1602 days ago).
  • Last revised February 16, 2024 — 633 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Composer
Update nystudio107/craft-seomatic to 3.3.0 or later
composer require "nystudio107/craft-seomatic:^3.3.0"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: packagist (1).

PackageEcosystemAffectedFixed In
nystudio107/craft-seomatic
packagist
3.0.0, 3.0.0-beta.1, 3.0.0-beta.10, 3.0.0-beta.11 (+146 more)3.3.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

References

Frequently Asked Questions

What is CVE-2020-9757?
SEOmatic for CraftCMS allows Server-Side Template Injection This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2020-9757?
CVE-2020-9757 affects nystudio107/craft-seomatic. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2020-9757 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-6q4j-8pjm-5mgc

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