CVE-2026-1107 EyouCMS Member Avatar Diyajax.php check_userinfo unrestricted upload
Remote attackers can upload arbitrary files via the member avatar handler, potentially leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1107?
CVE-2026-1107 is a medium-severity vulnerability in Eyoucms Eyoucms, published on 18 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-1107?
It affects 1 product.
Products include Eyoucms Eyoucms.
How do I fix CVE-2026-1107?
No fix has been published for CVE-2026-1107 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-1107 being exploited?
There is no known exploitation of CVE-2026-1107 in the wild and no public exploit code.
Other vulnerabilities in Eyoucms Eyoucms
Sources
Also known as GHSA-gcwp-v2vv-8h27.