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Threat Database
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Threat Entry
Updated 2026-09-28
Groups - Security Vulnerability (CVE-2026-77203)
The Groups – Memberships and Access Control plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 4.6.0. This is due to the groups_join() function deriving group-join eligibility from the ambient post's author capabilities via the global $post->post_author rather than from the currently authenticated user's own capabilities, while simultaneously minting and returning a valid groups-join-data hash and WordPress nonce for the caller in the same response — eliminating all authorization barriers to self-enrollment. This makes it possible for authenticated attackers, with Subscriber-level access and above,…
PLUGIN
Groups
CVE-2026-77203
Risk Score
Threat Entry
Updated 2026-06-17
Groups - Cross-Site Scripting (XSS) (CVE-2026-0549)
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.
PLUGIN
Groups
CVE-2026-0549
Risk Score
Threat Entry
Updated 2026-06-17
Groups - Security Vulnerability (CVE-2025-11748)
The Groups plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.7.0 via the 'group_id' parameter of the group_join function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to register for groups other than ones set in the shortcode.
PLUGIN
Groups
CVE-2025-11748
Risk Score
Threat Entry
Updated 2026-06-17
Groups - Denial of Service (CVE-2024-1108)
The Plugin Groups plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the admin_init() function in all versions up to, and including, 2.0.6. This makes it possible for unauthenticated attackers to change the settings of the plugin, which can also cause a denial of service due to a misconfiguration.
PLUGIN
Groups
CVE-2024-1108
Risk Score