CVE-2026-5696
Received Received - Intake

Reflected XSS in Microweber Admin Panel

Publication date: 2026-09-23

Last updated on: 2026-09-23

Assigner: Spanish National Cybersecurity Institute, S.A. (INCIBE)

Description
Reflected Cross-Site Scripting (XSS) in Microweber. The vulnerability lies in the ‘group’ parameter of the ‘/admin/settings’ endpoint in the administration panel. A successful exploit allows an attacker to trick an authenticated user into executing malicious JavaScript code in their browser. This enables the attacker to perform actions without the victim’s consent, steal confidential information or hijack the user’s session.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-09-23
Last Modified
2026-09-23
Generated
2026-09-23
AI Q&A
2026-09-23
EPSS Evaluated
N/A
NVD
CVE-2026-5696
EUVD
EUVD-2026-85220

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
microweber microweber *

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This is a reflected Cross-Site Scripting (XSS) vulnerability in Microweber. It exists in the 'group' parameter of the '/admin/settings' endpoint in the administration panel. An attacker can exploit this by tricking an authenticated user into executing malicious JavaScript code in their browser.

Detection Guidance

To detect this vulnerability, monitor HTTP requests to the '/admin/settings' endpoint for the 'group' parameter containing suspicious JavaScript code. Use browser developer tools to inspect network traffic or log requests for unusual payloads. Check server logs for repeated attempts to inject scripts via this parameter.

Impact Analysis

This vulnerability allows an attacker to perform actions without the victim's consent, steal confidential information, or hijack the user's session. It requires an authenticated user to be tricked into executing malicious code.

Compliance Impact

This reflected XSS vulnerability could lead to unauthorized access to sensitive data, potentially violating GDPR's data protection requirements and HIPAA's confidentiality rules if exploited. Attackers may steal confidential information or hijack sessions, compromising compliance with these standards.

Mitigation Strategies

Immediately update Microweber to the latest version if a patch is available. If no patch exists, restrict access to the '/admin/settings' endpoint to trusted IPs only. Implement input validation to sanitize the 'group' parameter and use Content Security Policy (CSP) headers to mitigate XSS risks.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-5696. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart