CVE-2026-6561

EyouCMS Index.php edit_adminlogo unrestricted upload

CVSS 5.1 MEDIUMEPSS 0.3%CWE-284 CWE-434

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 5.1EPSS 0.3%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

19 Apr 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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: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

Affected products

n/a · EyouCMS

public PoCs found — 1

cve_referencegithub.com/zzk6th/my-cve-notes/blob/main/EyouCMS%20Arbitrary%20File%20Copy%20Vulnerability%20in%20edit_adminlogo()%20Leading%20to%20Sensitive%20Information%20Disclosure.mdunverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

https://github.com/zzk6th/my-cve-notes/blob/main/EyouCMS%20Arbitrary%20File%20Copy%20Vulnerability%20in%20edit_adminlogo()%20Leading%20to%20Sensitive%20Information%20Disclosure.md https://vuldb.com/submit/788038 https://vuldb.com/vuln/358198 https://vuldb.com/vuln/358198/cti