How broadly exploitable is this vulnerability?

The vulnerability is remotely exploitable via crafted URLs. Any user who can be induced to click a malicious link or load a compromised page containing that link can be affected, especially if they are logged into WeGIA at the time.

Does an attacker need to be authenticated to exploit this issue?

Exploitation of the XSS itself does not strictly require attacker authentication, but the impact is significantly higher when the victim is authenticated, as the injected script then runs with the victim's session context.

What is the safest general fix pattern for this vulnerability?

The safest fix is to ensure that all dynamic content derived from request parameters—particularly sccd and msg—is validated and contextually output-encoded before inclusion in HTML, ideally through centralized template helpers that escape by default.

Severity:

CRITICAL RISK

(9.3)

Reflected Cross-Site Scripting (CWE-79) in WeGIA Memorando Module listar_memorandos_ativos.php

CVE-2026-33136

Published:

Mar 20, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-918

HIGH RISK

HIGH

(8.6)

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May 6, 2026

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HIGH RISK

HIGH

(8.8)

Authorization Bypass (CWE-863) in OpenClaw Matrix Room Control Commands

Privilege Escalation via Bypassed Access Control

May 6, 2026

Vulnerability Type

Category:

Cross-Site Scripting (XSS)

CWE:

CWE-79

Impact:

Client-Side Code Execution / Account Compromise

Severity:

CRITICAL RISK

(9.3)

CVSS Version:

3.1

Vulnerability Type

Category:

Cross-Site Scripting (XSS)

CWE:

CWE-79

Impact:

Client-Side Code Execution / Account Compromise

Severity:

CRITICAL RISK

(9.3)

CVSS Version:

3.1

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Reflected Cross-Site Scripting (CWE-79) in WeGIA Memorando Module listar_memorandos_ativos.php

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(8.6)

Server-Side Request Forgery (CWE-918) in OpenClaw Zalo Plugin sendPhoto

HIGH RISK

HIGH

(8.8)

Authorization Bypass (CWE-863) in OpenClaw Matrix Room Control Commands

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

Ship clean & secure code faster

Ship clean & secure code faster

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