Reflected XSS in GDTaller app_login.php Enables Script Execution

Publication date: 2026-03-26

Last updated on: 2026-03-27

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

Description

Reflected Cross Site Scripting (XSS) vulnerabilities in GDTaller. These vulnerabilities allows an attacker execute JavaScript code in the victim's browser by sending a malicious URL in 'site' parameter in 'app_login.php'.

CVSS Scores

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Meta Information

Published

2026-03-26

Last Modified

2026-03-27

Generated

2026-07-06

AI Q&A

2026-03-26

EPSS Evaluated

2026-07-05

NVD

CVE-2025-41026

EUVD

EUVD-2025-209047

Affected Vendors & Products

Vendor	Product	Version / Range
gdtaller	gdtaller	*

Helpful Resources

Exploitability

CWE

KEV

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

Executive Summary

This vulnerability is a Reflected Cross Site Scripting (XSS) issue found in GDTaller. It allows an attacker to execute arbitrary JavaScript code in the victim's browser by sending a malicious URL that manipulates the 'site' parameter in the 'app_login.php' page.

Impact Analysis

An attacker exploiting this vulnerability can run malicious JavaScript code in the context of the victim's browser session. This can lead to theft of sensitive information such as cookies, session tokens, or other private data, potentially allowing unauthorized actions on behalf of the victim.

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