EUVD-2026-29194Severity by source
AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Lifecycle Timeline
3DescriptionGitHub Advisory
WeGIA is a web manager for charitable institutions. In versions prior to 3.7.3, a Stored Cross-Site Scripting (XSS) vulnerability allows an authenticated user to inject malicious JavaScript into the "Etapas de um Processo" (html/atendido/etapa_processo.php) page, which is executed when user access the the page, enabling session hijacking and account takeover. This vulnerability is fixed in 3.7.3.
AnalysisAI
Stored cross-site scripting (XSS) in WeGIA versions prior to 3.7.3 allows authenticated high-privilege users to inject malicious JavaScript into the Etapas de um Processo page, which executes when other users access the page, enabling session hijacking and account takeover. The vulnerability requires high-privilege authentication (PR:H) but affects all users who subsequently visit the injected page, with no public exploit identified at time of analysis.
Technical ContextAI
WeGIA is a PHP-based web application for managing charitable institution services. The vulnerability exists in the html/atendido/etapa_processo.php endpoint, where user-supplied input is stored in the application state without proper HTML entity encoding or Content Security Policy protection. This is a classic stored XSS (CWE-79) flaw where malicious JavaScript injected by a high-privilege user persists in the database and executes in the browser context of other users visiting the affected page, bypassing session tokens and enabling credential theft.
RemediationAI
Upgrade WeGIA to version 3.7.3 or later immediately. The patch implements proper output encoding and/or Content Security Policy headers to prevent XSS payload execution. If immediate patching is not feasible, implement a temporary network-level Content Security Policy header (e.g., via reverse proxy or WAF) that restricts script execution to same-origin and trusted sources only, though this may break legitimate functionality if the application relies on inline scripts - test thoroughly before production deployment. Additionally, restrict administrative access to the etapa_processo.php endpoint to verified, trusted administrators and enable audit logging of all modifications to process stages to detect injected content early.
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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