CVE-2021-44618 : A Server-side Template Injection (SSTI) vulnerability exists in Nystudio107 Seom

A Server-side Template Injection (SSTI) vulnerability exists in Nystudio107 Seomatic 3.4.12 in src/helpers/UrlHelper.php via the host header.

Published 2022-03-11 16:15:08

Updated 2022-03-18 15:31:37

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-44618

Nystudio107 » Seomatic » Version: 3.4.12 For Craft Cms
cpe:2.3:a:nystudio107:seomatic:3.4.12:*:*:*:*:craft_cms:*:*
Matching versions

EPSS FAQ

0.15%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 51 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-94 Improper Control of Generation of Code ('Code Injection')

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Assigned by: nvd@nist.gov (Primary)

https://github.com/nystudio107/craft-seomatic/commit/0c5c0c0e0cb61000d12ec55ebf174745a5bf6469

Sanitize all URLs · nystudio107/craft-seomatic@0c5c0c0 · GitHub
Patch;Third Party Advisory
https://github.com/nystudio107/craft-seomatic/releases/tag/3.4.12

Release Version 3.4.12 · nystudio107/craft-seomatic · GitHub
Release Notes;Third Party Advisory

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