CVE-2026-40286 WeGIA has Cross-Site Scripting in Controle de Contribuição
Attackers can inject persistent scripts via member name fields, leading to code execution or account takeover in WeGIA.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-40286?
CVE-2026-40286 is a high-severity cross-site scripting vulnerability in LabRedesCefetRJ WeGIA, published on 17 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
WeGIA is a web manager for charitable institutions. In versions prior to 3.6.10, a Stored Cross-Site Scripting (XSS) vulnerability was identified in the 'Member Registration' (Cadastrar Sócio) function. By injecting a payload into the 'Member Name' (Nome Sócio) field, the script is persistently stored in the database. Consequently, the payload is executed whenever a user navigates to certain URL. Version 3.6.10 fixes the issue.
Weakness: CWE-79
Which versions are affected by CVE-2026-40286?
How do I fix CVE-2026-40286?
No fix has been published for CVE-2026-40286 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-40286 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-40286 exists.
Sources
Also known as GHSA-42rc-rvrx-cmmw.