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Medium · 6.4 CVE-2026-0549 EUVD-2026-8223GHSA-8m9g-3hqh-3f45

Groups <= 3.10.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'groups_group_info' Shortcode

Published Feb 19, 2026 · Updated Apr 8, 2026 · Assigned by Wordfence

Description

The Groups plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'groups_group_info' shortcode in all versions up to, and including, 3.10.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

VendorProductAffectedFixed
itthinx Groups ≤ 3.10.0 —

References