EUVD Vulnerability Catalog

EUVD-2026-120046

Severity: MEDIUM Base Score: 5.1 CVSS Version: 4.0

Vulnerability Description

WidzialniCMS is vulnerable to Reflected XSS in the /index.php endpoint. An attacker can prepare an URL that, when opened, results in arbitrary JavaScript execution in the victim's browser, allowing e.g session cookie theft. This issue has been fixed in version 2.5.

CVSS Vector Analysis

Below is the complete, human-readable breakdown of the CVSS metric string: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

▪ Attack Vector (AV): Network

▪ Attack Complexity (AC): Low

▪ Attack Requirements (AT): None

▪ Privileges Required (PR): None

▪ User Interaction (UI): Active

▪ Vulnerability Confidentiality Impact (VC): None

▪ Vulnerability Integrity Impact (VI): None

▪ Vulnerability Availability Impact (VA): None

▪ Subsequent Confidentiality Impact (SC): Low

▪ Subsequent Integrity Impact (SI): Low

▪ Subsequent Availability Impact (SA): None

Affected Vendors & Systems

Vendor Fundacja Widzialni

References & Advisory Links

Metadata Profile

Database Authority

European Union Agency for Cybersecurity (ENISA) EUVD

Assigner

CERT-PL

EPSS Probability

Known Aliases

GHSA-3562-3cj9-6p2p CVE-2026-112204

Published On

2026-11-09

Last Updated

2026-11-09