The vulnerability CVE-2025-58874 affects the StoryMap WordPress plugin by josepsitjar, allowing an attacker to perform DOM-based cross-site scripting (XSS) through improper input neutralization during web page generation. This issue impacts versions up to and including 2.1. The CVSS 3.1 base score is 6.5, reflecting network attack vector, low attack complexity, required privileges of low, user interaction required, and a scope change with partial impact on confidentiality, integrity, and availability.

Successful exploitation of this vulnerability can allow an attacker to execute arbitrary scripts in the context of the victim's browser session, potentially leading to partial disclosure of sensitive information, modification of data, or disruption of service within the affected application context. The scope change indicates that the vulnerability affects components beyond the initially vulnerable component.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider restricting access to the plugin features to trusted users and avoid interacting with untrusted content that could trigger the vulnerability.