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    6 vulnerabilities by itthinx

    CVE-2026-77203 (GCVE-0-2026-77203)

    Vulnerability from nvd – Published: 2026-09-26 17:28 – Updated: 2026-09-26 22:51
    VLAI
    Title
    Groups <= 4.6.0 - Authenticated (Subscriber+) Privilege Escalation via 'groups_join' Shortcode
    Summary
    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, to enroll themselves into any group including privileged groups carrying the groups_admin_groups capability, and to subsequently create and join a group containing every registered WordPress capability, effectively escalating their privileges to Administrator. Exploitation requires the attacker to supply an Administrator-authored post ID via the post_ID parameter of the authenticated wp_ajax_parse_media_shortcode handler in order to establish the privileged ambient post context used by the flawed authorization check.
    Severity
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-26 22:44 UTC
    CWE
    • CWE-269 - Improper Privilege Management
    Assigner
    References
    Impacted products
    Credits
    daroo
    Show details on NVD website
    To clipboard 

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    CVE-2026-0549 (GCVE-0-2026-0549)

    Vulnerability from nvd – Published: 2026-02-19 04:36 – Updated: 2026-04-08 17:01
    VLAI
    Title
    Groups <= 3.10.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'groups_group_info' Shortcode
    Summary
    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.
    Severity
    6.4 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-02-19 21:03 UTC
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    References
    Impacted products
    Vendor Product Version
    itthinx Groups Affected: 0 , ≤ 3.10.0 (semver)
    		Create a notification for this product.
    Credits
    Muhammad Yudha - DJ
    Show details on NVD website
    To clipboard 

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    CVE-2025-11748 (GCVE-0-2025-11748)

    Vulnerability from nvd – Published: 2025-11-08 03:27 – Updated: 2026-04-08 17:24
    VLAI
    Title
    Groups <= 3.7.0 - Authenticated (Subscriber+) Insecure Direct Object Reference to Arbitrary Group Join
    Summary
    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.
    Severity
    4.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-11-10 14:07 UTC
    CWE
    • CWE-639 - Authorization Bypass Through User-Controlled Key
    Assigner
    References
    Impacted products
    Vendor Product Version
    itthinx Groups Affected: 0 , ≤ 3.7.0 (semver)
    		Create a notification for this product.
    Credits
    Angus Girvan
    Show details on NVD website
    To clipboard 

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    CVE-2026-77203 (GCVE-0-2026-77203)

    Vulnerability from cvelistv5 – Published: 2026-09-26 17:28 – Updated: 2026-09-26 22:51
    VLAI
    Title
    Groups <= 4.6.0 - Authenticated (Subscriber+) Privilege Escalation via 'groups_join' Shortcode
    Summary
    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, to enroll themselves into any group including privileged groups carrying the groups_admin_groups capability, and to subsequently create and join a group containing every registered WordPress capability, effectively escalating their privileges to Administrator. Exploitation requires the attacker to supply an Administrator-authored post ID via the post_ID parameter of the authenticated wp_ajax_parse_media_shortcode handler in order to establish the privileged ambient post context used by the flawed authorization check.
    Severity
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-26 22:44 UTC
    CWE
    • CWE-269 - Improper Privilege Management
    Assigner
    References
    Impacted products
    Credits
    daroo
    Show details on NVD website
    To clipboard 

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    CVE-2026-0549 (GCVE-0-2026-0549)

    Vulnerability from cvelistv5 – Published: 2026-02-19 04:36 – Updated: 2026-04-08 17:01
    VLAI
    Title
    Groups <= 3.10.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'groups_group_info' Shortcode
    Summary
    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.
    Severity
    6.4 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-02-19 21:03 UTC
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    References
    Impacted products
    Vendor Product Version
    itthinx Groups Affected: 0 , ≤ 3.10.0 (semver)
    		Create a notification for this product.
    Credits
    Muhammad Yudha - DJ
    Show details on NVD website
    To clipboard 

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    CVE-2025-11748 (GCVE-0-2025-11748)

    Vulnerability from cvelistv5 – Published: 2025-11-08 03:27 – Updated: 2026-04-08 17:24
    VLAI
    Title
    Groups <= 3.7.0 - Authenticated (Subscriber+) Insecure Direct Object Reference to Arbitrary Group Join
    Summary
    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.
    Severity
    4.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-11-10 14:07 UTC
    CWE
    • CWE-639 - Authorization Bypass Through User-Controlled Key
    Assigner
    References
    Impacted products
    Vendor Product Version
    itthinx Groups Affected: 0 , ≤ 3.7.0 (semver)
    		Create a notification for this product.
    Credits
    Angus Girvan
    Show details on NVD website
    To clipboard 

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