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CVE-2026-1107

Published: Jan 18, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

6.3

MEDIUM

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.

Vendor	Product	Versions
n/a	EyouCMS	affected `1.7.0` affected `1.7.1` affected `5.0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

VDB-341699 | EyouCMS Member Avatar Diyajax.php check_userinfo unrestricted upload

vdb-entry

technical-description

VDB-341699 | CTI Indicators (IOB, IOC, TTP, IOA)

signature

permissions-required

Submit #731540 | Hainan Zanzan Network Technology Co. Eyoucms <=1.7.1 causing code execution due to file inclusion

third-party-advisory

https://github.com/24-2021/vul3/blob/main/Eyoucms/Eyoucms%3D1.7.1%20check_userinfo%20api%20viewfile%20exists%2C%20causing%20code%20execution%20due%20to%20file%20inclusion.md

broken-link

https://github.com/24-2021/vul3/blob/main/Eyoucms/Eyoucms%3D1.7.1%20check_userinfo%20api%20viewfile%20exists%2C%20causing%20code%20execution%20due%20to%20file%20inclusion.md#poc

broken-link

exploit

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CVE-2026-1107 | MEDIUM (6.3) - Security Vulnerability | QwikSec