Statamic CMS remote code execution via front-end form uploads

2023-11-1215:57:58

Google

osv.dev

remote code execution

front-end forms

asset upload

php files

mime validation

patches

statamic cms

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.2

Confidence

Low

EPSS

0.001

Percentile

30.4%

JSON

Impact

On front-end forms with an asset upload field, PHP files crafted to look like images may be uploaded regardless of mime validation rules. This only affects forms using the “Forms” feature and not just any arbitrary form. This does not affect the control panel.