Medium severity · published Apr 19, 2026
CVE-2026-6561
EyouCMS Index.php edit_adminlogo unrestricted upload
4.7
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EY
EyouCMS · Eyoucms
1.7.0; 1.7.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-6561
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-6561
github.com
https://github.com/zzk6th/my-cve-notes/blob/main/EyouCMS%20Arbitrary%20File%20Copy%20Vulnerability%20in%20edit_adminlogo()%20Leading%20to%20Sensitive%20Information%20Disclosure.md
vuldb.com
https://vuldb.com/submit/788038
vuldb.com
https://vuldb.com/vuln/358198
vuldb.com
https://vuldb.com/vuln/358198/cti
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