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CVE-2023-34251

Date: June 14, 2023

Grav is a flat-file content management system. Versions prior to 1.7.42 are vulnerable to server side template injection. Remote code execution is possible by embedding malicious PHP code on the administrator screen by a user with page editing privileges. Version 1.7.42 contains a fix for this issue.

Language: PHP

Severity Score

Related Resources (9)

https://github.com/getgrav/grav/commit/244758d4383034fe4cd292d41e477177870b65ec
https://github.com/getgrav/grav
https://github.com/getgrav/grav/commit/9d01140a63c77075ef09b26ef57cf186138151a5
https://github.com/getgrav/grav/security/advisories/GHSA-f9jf-4cp4-4fq5
https://github.com/getgrav/grav/commit/8c2c1cb72611a399f13423fc6d0e1d998c03e5c8
https://github.com/getgrav/grav/blob/develop/system/src/Grav/Common/Twig/Extension/GravExtension.php#L174
https://nvd.nist.gov/vuln/detail/CVE-2023-34251
https://github.com/getgrav/grav/commit/71bbed12f950de8335006d7f91112263d8504f1b
https://www.mend.io/vulnerability-database/CVE-2023-34251

Severity Score

Weakness Type (CWE)

Improper Control of Generation of Code ('Code Injection')

CWE-94

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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