CVE-2026-23724 WeGIA Stored Cross-Site Scripting (XSS) – atendido_idatendido Parameter on Occurrence Registration Page

Medium 4.3 Published Updated

Attackers can inject malicious scripts via the atendido_idatendido parameter, potentially stealing sessions or executing code in victim browsers.

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-2026-23724?

CVE-2026-23724 is a medium-severity cross-site scripting vulnerability in Wegia Wegia, published on 16 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

WeGIA is a web manager for charitable institutions. Prior to 3.6.2, a Stored Cross-Site Scripting (XSS) vulnerability was identified in the html/atendido/cadastro_ocorrencia.php endpoint of the WeGIA application. The application does not sanitize user-controlled data before rendering it inside the “Atendido” selection dropdown. This vulnerability is fixed in 3.6.2.

Weakness: CWE-79

Which versions are affected by CVE-2026-23724?

It affects 1 product.

Products include Wegia Wegia.

How do I fix CVE-2026-23724?

No fix has been published for CVE-2026-23724 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-2026-23724 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-23724 exists.

All Wegia Wegia vulnerabilities

Sources

Also known as GHSA-3r3q-8573-g3cq.

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