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Description

WeGIA is a web manager for charitable institutions. Versions 3.6.6 and below have a Reflected Cross-Site Scripting (XSS) vulnerability in the novo_memorandoo.php endpoint. An attacker can inject arbitrary JavaScript into the sccs GET parameter, which is directly echoed into the HTML response without any sanitization or encoding. The script /html/memorando/novo_memorandoo.php reads HTTP GET parameters to display dynamic success messages to the user. At approximately line 273, the code checks if $_GET['msg'] equals 'success'. If true, it directly concatenates $_GET['sccs'] into an HTML alert <div> and outputs it to the browser. This issue has been fixed in version 3.6.7.

PUBLISHED Reserved 2026-03-17 | Published 2026-03-20 | Updated 2026-03-20 | Assigner GitHub_M




CRITICAL: 9.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

< 3.6.7
affected

References

github.com/.../WeGIA/security/advisories/GHSA-w5rv-5884-w94v exploit

github.com/.../WeGIA/security/advisories/GHSA-w5rv-5884-w94v

github.com/LabRedesCefetRJ/WeGIA/pull/1459

github.com/LabRedesCefetRJ/WeGIA/releases/tag/3.6.7

cve.org (CVE-2026-33135)

nvd.nist.gov (CVE-2026-33135)

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