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CVE-2026-33136— WeGIA has Reflected Cross-Site Scripting (XSS) in `listar_memorandos_ativos.php` via `sccd` parameter

CVSS 9.3 · Critical EPSS 0.05% · P15
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I. Basic Information for CVE-2026-33136

Vulnerability Information
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Vulnerability Title
WeGIA has Reflected Cross-Site Scripting (XSS) in `listar_memorandos_ativos.php` via `sccd` parameter
Source: NVD (National Vulnerability Database)
Vulnerability 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 listar_memorandos_ativos.php endpoint. An attacker can inject arbitrary JavaScript or HTML tags into the sccd GET parameter, which is then directly echoed into the HTML response without any sanitization or encoding. The script /html/memorando/listar_memorandos_ativos.php handles dynamic success messages to users using query string parameters. Similar to other endpoints in the Memorando module, it checks if $_GET['msg'] equals 'success'. If this condition is met, it directly concatenates and reflects $_GET['sccd'] into an HTML alert <div>. This issue is resolved in version 3.6.7.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
WeGIA 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WeGIA是Nilson Lazarin个人开发者的一个福利机构的网络管理器。 WeGIA 3.6.6及之前版本存在跨站脚本漏洞，该漏洞源于listar_memorandos_ativos.php端点存在反射型跨站脚本，可能导致执行任意JavaScript或HTML。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

VendorProductAffected VersionsCPESubscribe
LabRedesCefetRJWeGIA < 3.6.7 -

II. Public POCs for CVE-2026-33136

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III. Intelligence Information for CVE-2026-33136

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Same Patch Batch · LabRedesCefetRJ · 2026-03-20 · 4 CVEs total

CVE-2026-331359.3 CRITICALWeGIA has Reflected Cross-Site Scripting (XSS) in `novo_memorandoo.php` via `sccs` paramet
CVE-2026-331349.3 CRITICALWeGIA has Authenticated Time-Based Blind SQL Injection in `restaurar_produto.php` via `id_
CVE-2026-33133WeGIA has an arbitrary SQL execution vulnerability via crafted backup archive

IV. Related Vulnerabilities

Same product: WeGIA
Same vendor: LabRedesCefetRJ
Same weakness: CWE-79

V. Comments for CVE-2026-33136

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