CVE-2026-1107— EyouCMS Member Avatar Diyajax.php check_userinfo unrestricted upload
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I. Basic Information for CVE-2026-1107
Vulnerability Information
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Vulnerability Title
EyouCMS Member Avatar Diyajax.php check_userinfo unrestricted upload
Source: NVD (National Vulnerability Database)
Vulnerability Description
A weakness has been identified in EyouCMS up to 1.7.1/5.0. Impacted is the function check_userinfo of the file Diyajax.php of the component Member Avatar Handler. Executing a manipulation of the argument viewfile can lead to unrestricted upload. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
危险类型文件的不加限制上传
Source: NVD (National Vulnerability Database)
Vulnerability Title
EyouCMS 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EyouCMS是中国易优（Eyou）公司的一套基于ThinkPHP的开源内容管理系统（CMS）。 EyouCMS 1.7.1/5.0及之前版本存在代码问题漏洞，该漏洞源于对文件Diyajax.php中组件Member Avatar Handler的函数check_userinfo的参数viewfile的错误操作，可能导致不受限制的上传。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | EyouCMS | 1.7.0 | cpe:2.3:a:eyoucms:eyoucms:*:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-1107
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | A weakness has been identified in EyouCMS up to 1.7.1/5.0. Impacted is the function check_userinfo of the file Diyajax.php of the component Member Avatar Handler. Executing a manipulation of the argument viewfile can lead to unrestricted upload. The attack may be performed from remote. | https://github.com/Iniivan13/CVE-2026-1107 | POC Details |
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Same Patch Batch · n/a · 2026-01-18 · 3 CVEs total
| CVE-2025-15539 | 5.3 MEDIUM | Open5GS sgwc s11-handler.c sgwc_s11_handle_downlink_data_notification_ack denial of servic |
| CVE-2025-15537 | 5.3 MEDIUM | Mapnik dbfile.cpp string_value heap-based overflow |
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V. Comments for CVE-2026-1107
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