CVE-2026-6561

EyouCMS Index.php edit_adminlogo unrestricted upload

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.

Affected

EyouCMS

CVSS v4.0 VULDB

2.0 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULDB

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

CVSS v2.0 VULDB

5.8 MEDIUMAV:N/AC:L/Au:M/C:P/I:P/A:P

EPSS

0.38% chance of exploitation in the next 30 days, 30th percentile

Published

2026-04-19

Updated

2026-04-20

Proof-of-concept exploits (1)

• zzk6th/my-cve-notes/blob/main/EyouCMS%20Arbitrary%20File%20Copy%20Vulnerability%20in%20ed…

References

• CVE Record
• NVD entry

Related

• CVE-2026-7131
• CVE-2026-7132
• CVE-2026-7133
• CVE-2026-7134
• CVE-2026-82805