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GitHub_MCVELIST:CVE-2023-34251

HistoryJun 14, 2023 - 9:31 p.m.

CVE-2023-34251 Grav Server Side Template Injection vulnerability

2023-06-1421:31:31

CWE-94

GitHub_M

www.cve.org

grav

server side template injection

vulnerability

remote code execution

php code

administrator screen

page editing privileges

fix

9.9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

10 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

73.5%

JSON

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.

CNA Affected

[
  {
    "vendor": "getgrav",
    "product": "grav",
    "versions": [
      {
        "version": "< 1.7.42",
        "status": "affected"
      }
    ]
  }
]

References

github.com/getgrav/grav/blob/develop/system/src/Grav/Common/Twig/Extension/GravExtension.php#L174

github.com/getgrav/grav/commit/9d01140a63c77075ef09b26ef57cf186138151a5

github.com/getgrav/grav/security/advisories/GHSA-f9jf-4cp4-4fq5

9.9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

10 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

73.5%

JSON

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