EUVD-2025-21391

| CVE-2025-53820 MEDIUM
2025-07-14 [email protected]
6.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

4
Analysis Generated
Mar 16, 2026 - 09:43 vuln.today
EUVD ID Assigned
Mar 16, 2026 - 09:43 euvd
EUVD-2025-21391
PoC Detected
Jul 15, 2025 - 20:15 vuln.today
Public exploit code
CVE Published
Jul 14, 2025 - 21:15 nvd
MEDIUM 6.5

Tags

PHP XSS Wegia

Description

WeGIA is an open source web manager with a focus on the Portuguese language and charitable institutions. A Reflected Cross-Site Scripting (XSS) vulnerability was identified in the `index.php` endpoint of the WeGIA application prior to version 3.4.5. This vulnerability allows attackers to inject malicious scripts in the `erro` parameter. Version 3.4.5 contains a patch for the issue.

Analysis

WeGIA is an open source web manager with a focus on the Portuguese language and charitable institutions. A Reflected Cross-Site Scripting (XSS) vulnerability was identified in the index.php endpoint of the WeGIA application prior to version 3.4.5. This vulnerability allows attackers to inject malicious scripts in the erro parameter. Version 3.4.5 contains a patch for the issue.

Technical Context

Cross-site scripting (XSS) allows injection of client-side scripts into web pages viewed by other users due to insufficient output encoding.

Affected Products

Affected products: Wegia Wegia

Remediation

Encode all user-supplied output contextually (HTML, JS, URL). Implement Content Security Policy (CSP) headers. Use HTTPOnly and Secure cookie flags.

Priority Score

53
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: +20

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EUVD-2025-21391 vulnerability details – vuln.today
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