VulnerabilityModified
CVE-2021-44618
A Server-side Template Injection (SSTI) vulnerability exists in Nystudio107 Seomatic 3.4.12 in src/helpers/UrlHelper.php via the host header.
CRITICAL 9.8EPSS 1.40%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A Server-side Template Injection (SSTI) vulnerability exists in Nystudio107 Seomatic 3.4.12 in src/helpers/UrlHelper.php via the host header.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.40% probability · 71th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-94
- Affected
- nystudio107/seomatic
- Source
- cve@mitre.org
References
- https://github.com/nystudio107/craft-seomatic/commit/0c5c0c0e0cb61000d12ec55ebf174745a5bf6469Patch, Third Party Advisory
- https://github.com/nystudio107/craft-seomatic/releases/tag/3.4.12Release Notes, Third Party Advisory
- https://github.com/nystudio107/craft-seomatic/commit/0c5c0c0e0cb61000d12ec55ebf174745a5bf6469Patch, Third Party Advisory
- https://github.com/nystudio107/craft-seomatic/releases/tag/3.4.12Release Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.