Vulnerability · Published Jun 12, 2022 · Assigned by mitre
CVE-2021-41749
Critical 9.8
In plain English
A critical-severity security flaw in the nystudio107/craft-seomatic package (Packagist). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 16.8% (higher than 97% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei. Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)16.8%top 2.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Nuclei
Official description
In the SEOmatic plugin up to 3.4.11 for Craft CMS 3, it is possible for unauthenticated attackers to perform a Server-Side Template Injection, allowing for remote code execution.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | nystudio107/craft-seomatic | 3.4.11 | GHSA-g7xr-v82w-qggq |