CVE-2025-41021: Stored Cross-Site Scripting (XSS) vulnerability in Sergestec's Exito

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-10-16 · updated 2026-10-08
Weakness: CWE-79

Description

Stored Cross-Site Scripting (XSS) in Sergestec's Exito v8.0, consisting of a stored XSS due to a lack of proper validation of user input by sending a POST request using the 'obs' parameter in '/admin/index.php?action=product_update'. This vulnerability could allow a remote user to send a specially crafted query to an authenticated user and steal their cookie session details.

Affected products

Sergestec Exito: 8.0

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-sergestec-products

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