PT-2020-13270 · Craft Cms · Seomatic

Published 2020-05-11 · Updated 2022-05-24 · CVE-2020-12790

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions SEOmatic plugin versions prior to 3.2.49 for Craft CMS

Description The issue arises from improper sanitization of the URL in the helpers/DynamicMeta.php file, leading to Server-Side Template Injection. This can result in credentials disclosure via a crafted Twig template after a semicolon.

Recommendations For versions prior to 3.2.49, update to version 3.2.49 or later to resolve the issue.

Exploit

Fix

Special Elements Injection

Weakness Enumeration

CWE-74

Related Identifiers

CVE-2020-12790

GHSA-23Q7-59JJ-2PJ4

Affected Products

Seomatic

References · 9

• 🔥 https://isec.pl/en/vulnerabilities/isec-0028-seomatic-ssti-23032020.txt · Exploit
• https://github.com/nystudio107/craft-seomatic/commit/82f4a25b28fd622393da6592dc9e5ccee7fc5be3#diff-52fd042c50432133a00a8f840f4a6165 · Patch
• https://osv.dev/vulnerability/GHSA-23q7-59jj-2pj4 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-12790 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-12790 · Security Note
• https://github.com/nystudio107/craft-seomatic/releases/tag/3.2.49 · Note
• https://github.com/nystudio107/craft-seomatic/blob/v3/CHANGELOG.md#3249---20200324 · Note
• https://github.com/nystudio107/craft-seomatic/commit/82f4a25b28fd622393da6592dc9e5ccee7fc5be3 · Note
• https://github.com/nystudio107/craft-seomatic · Note