| 제목 | YZNCMS 2.1.5 RCE |
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| 설명 | YZNCMS v2.1.5 allows a super administrator to upload and install a local addon package when `APP_DEBUG=true`. The addon installation flow extracts attacker-controlled ZIP content and then enables the addon, copying addon asset files into a web-accessible directory under `public/assets/addons/<name>/`.
Because the upload flow does not restrict executable PHP content inside the addon package, a super administrator can upload an addon containing a PHP payload and obtain remote code execution.
Affected code paths:
- `app/admin/controller/Addon.php:273`
- `vendor/yzncms/think-addons/src/addons/Service.php:391`
- `vendor/yzncms/think-addons/src/addons/Service.php:584`
- `vendor/yzncms/think-addons/src/addons/Service.php:204`
- `vendor/yzncms/think-addons/src/addons/Service.php:870` |
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| 원천 | ⚠️ https://github.com/0d000721999/evc1/issues/4 |
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| 사용자 | 0d00 (UID 98238) |
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| 제출 | 2026. 05. 23. PM 01:47 (5 개월 ago) |
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| 모더레이션 | 2026. 06. 17. PM 02:50 (25 days later) |
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| 상태 | 중복 |
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| VulDB 항목 | 297637 [YZNCMS 2.0.1 Plugin Installation 권한 상승] |
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| 포인트들 | 0 |
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