CVE-2026-54870: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in wpweaver Weaver Xtreme Theme Support

The Weaver Xtreme Theme Support plugin (wpweaver) suffers from a stored cross-site scripting vulnerability due to improper input neutralization during web page generation. This flaw allows an attacker with low privileges and requiring user interaction to inject malicious scripts that can compromise confidentiality, integrity, and availability. The affected versions include all releases up to and including 7.0.1. 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 other users, potentially leading to information disclosure, session hijacking, or other malicious actions affecting confidentiality, integrity, and availability. The impact is rated medium based on the CVSS score and vector.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, consider restricting access to the plugin or applying temporary mitigations such as input validation or disabling the affected functionality if feasible.