CVE-2026-6561
EyouCMS Index.php edit_adminlogo unrestricted upload
- State
- Published
- Severity
- 5.1 Medium
- Published
- Apr 19, 2026
- Updated
- Apr 20, 2026
- Reserved
- Apr 18, 2026
Description
A vulnerability was detected in EyouCMS up to 1.7.1. This issue affects the function edit_adminlogo of the file application/admin/controller/Index.php. Performing a manipulation of the argument filename results in unrestricted upload. The attack is possible to be carried out remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 4.7 Medium | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 4.7 Medium | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.8 Medium | AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
EyouCMSn/a |
|
References
- VDB-358198 | EyouCMS Index.php edit_adminlogo unrestricted uploadvdb-entrytechnical-description
- VDB-358198 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #788038 | Hainan Zanzan Network Technology Co., Ltd. EyouCMS <= v1.7.1 Highthird-party-advisory
- https://github.com/zzk6th/my-cve-notes/blob/main/EyouCMS%20Arbitrary%20File%20Copy%20Vulnerability%20in%20edit_adminlogo()%20Leading%20to%20Sensitive%20Information%20Disclosure.mdexploit
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