The vulnerability CVE-2025-58618 affects Pie Calendar versions up to 1.2.8 and involves improper neutralization of input during web page generation, leading to a DOM-based Cross-site Scripting (XSS) issue. This allows an attacker with low privileges and requiring user interaction to execute scripts that can impact confidentiality, integrity, and availability to a limited extent. The CVSS 3.1 vector indicates network attack vector, low attack complexity, low privileges required, user interaction required, and scope changed, with low impact on confidentiality, integrity, and availability.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the affected application, potentially leading to limited disclosure of information, modification of data, or disruption of service. The impact is rated as medium severity based on the CVSS score of 6.5. There are no reports of active exploitation in the wild.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or fix information is available, users should monitor vendor communications for updates. In the meantime, consider applying input validation or sanitization controls where possible and limit exposure by restricting access to trusted users. Avoid actions that require user interaction with untrusted content related to the affected software.