Report: CVE-2026-2121 - Weaver Show Posts <= 1.8.1 - authenticated (administrator+) stored cross-site scr...

Report: CVE-2026-2121 - Weaver Show Posts <= 1.8.1 - authenticated (administrator+) stored cross-site scr...

CVE ID :CVE-2026-2121 Published : March 21, 2026, 3:27 a.m. | 1 hour ago Description :The Weaver Show Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'add_class' parameter in all versions up to, and including, 1.8.1. This is due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This primarily affects multisite installations where Administrators do not have the unfiltered_html capability. Severity: 0.0 | NA Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Published
March 21, 2026
Affected Product: WordPress