This vulnerability (CVE-2025-68836) affects Markbeljaars Table of Contents Creator through version 1.6.4.1 and is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation). It allows reflected Cross-site Scripting (XSS) attacks by failing to properly sanitize user-supplied input before including it in web pages. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and impacts on confidentiality, integrity, and availability. No patch or vendor advisory is currently available to confirm remediation status.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of a user's browser, potentially leading to information disclosure, session hijacking, or other impacts on confidentiality, integrity, and availability as indicated by the CVSS score. However, no known exploits have been reported in the wild.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider applying input validation or output encoding workarounds if feasible, and exercise caution when handling untrusted input in the affected product.