What is CVE-2025-41026?

CVE-2025-41026 is a medium-severity vulnerability in Gdtaller, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-26.

How severe is CVE-2025-41026?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Gdtaller

CVE-2025-41026

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'.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-03-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (8.6th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 8.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Gdtaller — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-gdtaller (Third Party Advisory, patch)

Frequently asked questions

What is CVE-2025-41026?: CVE-2025-41026 is a medium-severity vulnerability in Gdtaller, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-26.
How severe is CVE-2025-41026?: Medium severity. CVSS v3 base score is 6.1 out of 10.