CVE-2025-27420 WeGIA contains a Stored Cross-Site Scripting (XSS) in 'atendido_parentesco_adicionar.php' via the 'descricao' parameter
Attackers can inject malicious scripts via the descricao parameter in WeGIA, leading to stored XSS and potential session hijacking.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-27420?
CVE-2025-27420 is a medium-severity cross-site scripting vulnerability in Wegia Wegia, published on 3 Mar 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
WeGIA is an open source Web Manager for Institutions with a focus on Portuguese language users. A Stored Cross-Site Scripting (XSS) vulnerability was identified in the atendido_parentesco_adicionar.php endpoint of the WeGIA application. This vulnerability allows attackers to inject malicious scripts into the descricao parameter. The injected scripts are stored on the server and executed automatically whenever the affected page is accessed by users, posing a significant security risk. This vulnerability fix in 3.2.16.
Weakness: CWE-79
Which versions are affected by CVE-2025-27420?
It affects 1 product.
Products include Wegia Wegia.
How do I fix CVE-2025-27420?
No fix has been published for CVE-2025-27420 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-2025-27420 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-27420 exists.
Other vulnerabilities in Wegia Wegia
- CVE-2026-28409 WeGIA Vulnerable to Remote Code Execution (RCE) via OS Command Injection
- CVE-2025-58745 WeGIA has a bypass for the fix for CVE-2025-22133 - Arbitrary File Upload leads to Remote Code Execution (RCE)
- CVE-2025-58159 WeGIA Authenticated Arbitrary File Upload Leading To Remote Code Execution (RCE)
- CVE-2025-55169 WeGIA Path Traversal at endpoint 'html/socio/sistema/download_remessa.php' via parameter 'file'
- CVE-2025-53823 WeGIA vulnerable to SQL Injection (Blind Time-Based) in `processa_deletar_socio.php` parameter `id_socio`
Sources
Also known as GHSA-x3wr-75qx-55cw.