CVE-2025-62731

SOPlanning is vulnerable to Stored XSS in /feries endpoint. Malicious attacker with access to public holidays feature is able to inject arbitrary HTML and JS into website, which will be rendered/executed when opening multiple pages. By default only administrators and users with special privileges are able to access this endpoint.

This issue was fixed in version 1.55.

More information : https://cert.pl/en/posts/2025/11/CVE-2025-62293