What is the CVSS score of CVE-2025-53377?

CVE-2025-53377 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of PHP are affected by CVE-2025-53377?

Organizations using WeGIA should be aware of moderate risk from CVE-2025-53377, a cross-site scripting vulnerability rated CVSS 6.1.. A patch is available.

Is there a public PoC exploit available for CVE-2025-53377?

Yes, a public proof-of-concept exploit is available for CVE-2025-53377. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-53377?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

PHP CVE-2025-53377

EUVD-2025-20267 MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2025-07-07 security-advisories@github.com

PHP XSS Wegia

6.1

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

EUVD ID Assigned

Mar 16, 2026 - 03:37 euvd

EUVD-2025-20267

Analysis Generated

Mar 16, 2026 - 03:37 vuln.today

Patch released

Mar 16, 2026 - 03:37 nvd

Patch available

PoC Detected

Jul 10, 2025 - 14:56 vuln.today

Public exploit code

CVE Published

Jul 07, 2025 - 17:15 nvd

MEDIUM 6.1

DescriptionNVD

WeGIA is a web manager for charitable institutions. A Reflected Cross-Site Scripting (XSS) vulnerability was identified in the cadastro_dependente_pessoa_nova.php endpoint of the WeGIA application. This vulnerability allows attackers to inject malicious scripts in the id_funcionario parameter. This vulnerability is fixed in 3.4.3.

Analysis

Technical ContextAI

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

RemediationAI

A vendor patch is available — apply it immediately. Encode all user-supplied output contextually (HTML, JS, URL). Implement Content Security Policy (CSP) headers. Use HTTPOnly and Secure cookie flags.

CVE-2025-53377 vulnerability details – vuln.today

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