{"id":"CVE-2026-89406","aliases":["EUVD-2026-86602","GHSA-vpwx-33j2-2p7h"],"status":"published","title":"Modula Image Gallery \u003c= 3.0.1 - Missing Authorization to Unauthenticated Private Gallery Image Disclosure via 'modula_gallery_id' and 'modula_image_id' Parameters","description":"The Modula Image Gallery – Photo Grid \u0026 Video Gallery plugin for WordPress is vulnerable to unauthorized disclosure of private gallery contents in versions up to, and including, 3.0.1. This is due to the Modula_Meta::add_metas() function being hooked to wp_head on every frontend request and looking up any post via get_post( $_GET['modula_gallery_id'] ) without verifying the gallery's post_status or the requester's capability to read it — the gallery-side input guard is bugged (empty('modula_gallery_id') tests a nonempty string literal instead of the GET parameter, so it is always false), the only object validation is a post_type === 'modula-gallery' check, and no is_user_logged_in()/current_user_can('read_post', $gallery_id) check is performed. This makes it possible for unauthenticated attackers to enumerate private modula-gallery posts and their member attachments and recover the image's title, description, dimensions, and original upload URL via Open Graph/Twitter meta tags emitted in the response, which then allows direct unauthenticated download of the original private image bytes.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00426,"percentile":0.3715,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-09-25T07:40:28Z","modified":"2026-09-25T14:17:21Z","products":[{"vendor":"wpchill","product":"modula image gallery – photo grid \u0026 video gallery"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/a369dff6-feca-47cf-8511-dc75c4ffdd29?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/modula-best-grid-gallery/tags/3.0.1/includes/public/meta/class-modula-meta.php#L142"},{"url":"https://plugins.trac.wordpress.org/browser/modula-best-grid-gallery/tags/3.0.1/includes/public/meta/class-modula-meta.php#L50"},{"url":"https://plugins.trac.wordpress.org/browser/modula-best-grid-gallery/tags/3.0.1/includes/public/meta/class-modula-meta.php#L26"},{"url":"https://plugins.trac.wordpress.org/browser/modula-best-grid-gallery/tags/3.0.1/includes/public/meta/social_meta.php#L8"},{"url":"https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3697043%40modula-best-grid-gallery\u0026new=3697043%40modula-best-grid-gallery"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89406"},{"url":"https://github.com/advisories/GHSA-vpwx-33j2-2p7h"}],"sources":{"cve":[{"id":"CVE-2026-89406","title":"Modula Image Gallery \u003c= 3.0.1 - Missing Authorization to Unauthenticated Private Gallery Image Disclosure via 'modula_gallery_id' and 'modula_image_id' Parameters","description":"The Modula Image Gallery – Photo Grid \u0026 Video Gallery plugin for WordPress is vulnerable to unauthorized disclosure of private gallery contents in versions up to, and including, 3.0.1. This is due to the Modula_Meta::add_metas() function being hooked to wp_head on every frontend request and looking up any post via get_post( $_GET['modula_gallery_id'] ) without verifying the gallery's post_status or the requester's capability to read it — the gallery-side input guard is bugged (empty('modula_gallery_id') tests a nonempty string literal instead of the GET parameter, so it is always false), the only object validation is a post_type === 'modula-gallery' check, and no is_user_logged_in()/current_user_can('read_post', $gallery_id) check is performed. This makes it possible for unauthenticated attackers to enumerate private modula-gallery posts and their member attachments and recover the image's title, description, dimensions, and original upload URL via Open Graph/Twitter meta tags emitted in the response, which then allows direct unauthenticated download of the original private image bytes.","status":"published","published":"2026-09-25T07:40:28.898Z","modified":"2026-09-25T13:00:14.389Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:19:55.176387Z"}],"euvd":[{"id":"EUVD-2026-86602","description":"The Modula Image Gallery – Photo Grid \u0026 Video Gallery plugin for WordPress is vulnerable to unauthorized disclosure of private gallery contents in versions up to, and including, 3.0.1. This is due to the Modula_Meta::add_metas() function being hooked to wp_head on every frontend request and looking up any post via get_post( $_GET['modula_gallery_id'] ) without verifying the gallery's post_status or the requester's capability to read it — the gallery-side input guard is bugged (empty('modula_gallery_id') tests a nonempty string literal instead of the GET parameter, so it is always false), the only object validation is a post_type === 'modula-gallery' check, and no is_user_logged_in()/current_user_can('read_post', $gallery_id) check is performed. This makes it possible for unauthenticated attackers to enumerate private modula-gallery posts and their member attachments and recover the image's title, description, dimensions, and original upload URL via Open Graph/Twitter meta tags emitted in the response, which then allows direct unauthenticated download of the original private image bytes.","status":"published","published":"2026-09-25T07:40:28Z","modified":"2026-09-25T13:00:14Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T17:27:55.846756Z"}],"ghsa":[{"id":"GHSA-vpwx-33j2-2p7h","title":"The Modula Image Gallery – Photo Grid \u0026 Video Gallery plugin for WordPress is vulnerable to...","description":"The Modula Image Gallery – Photo Grid \u0026 Video Gallery plugin for WordPress is vulnerable to unauthorized disclosure of private gallery contents in versions up to, and including, 3.0.1. This is due to the Modula_Meta::add_metas() function being hooked to wp_head on every frontend request and looking up any post via get_post( $_GET['modula_gallery_id'] ) without verifying the gallery's post_status or the requester's capability to read it — the gallery-side input guard is bugged (empty('modula_gallery_id') tests a nonempty string literal instead of the GET parameter, so it is always false), the only object validation is a post_type === 'modula-gallery' check, and no is_user_logged_in()/current_user_can('read_post', $gallery_id) check is performed. This makes it possible for unauthenticated attackers to enumerate private modula-gallery posts and their member attachments and recover the image's title, description, dimensions, and original upload URL via Open Graph/Twitter meta tags emitted in the response, which then allows direct unauthenticated download of the original private image bytes.","status":"published","published":"2026-09-25T09:31:08Z","modified":"2026-09-25T09:31:16Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:12:24.75064Z"}],"nvd":[{"id":"CVE-2026-89406","description":"The Modula Image Gallery – Photo Grid \u0026 Video Gallery plugin for WordPress is vulnerable to unauthorized disclosure of private gallery contents in versions up to, and including, 3.0.1. This is due to the Modula_Meta::add_metas() function being hooked to wp_head on every frontend request and looking up any post via get_post( $_GET['modula_gallery_id'] ) without verifying the gallery's post_status or the requester's capability to read it — the gallery-side input guard is bugged (empty('modula_gallery_id') tests a nonempty string literal instead of the GET parameter, so it is always false), the only object validation is a post_type === 'modula-gallery' check, and no is_user_logged_in()/current_user_can('read_post', $gallery_id) check is performed. This makes it possible for unauthenticated attackers to enumerate private modula-gallery posts and their member attachments and recover the image's title, description, dimensions, and original upload URL via Open Graph/Twitter meta tags emitted in the response, which then allows direct unauthenticated download of the original private image bytes.","status":"published","published":"2026-09-25T08:16:40.803Z","modified":"2026-09-25T14:17:21.63Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:51.388161Z"}]}}