{"items":[{"id":"NVI-00006942","kind":"vulnerability","title":"Admidio: Event participation IDOR - non-leaders can register other users for events via user_uuid parameter","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-7pfv-hr63-h7cw","CVE-2026-30927"],"plain_summary":"OSV carries this publisher advisory for admidio/admidio. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 5.0.6 for admidio/admidio. Confirm the publisher’s latest guidance.","source_ids":["sr-c8666d9469da2eef5f8abee8c75540e7"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-09da5e81e8d694fefca965084cc4b4ae"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T10:33:09.900Z","value":"5.4 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-40a74dad5b50249e749ccd93fbd30992"},{"kind":"CVSS","as_of":"2026-06-17T10:33:09.900Z","value":"5.3 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-40a74dad5b50249e749ccd93fbd30992"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.269%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.19153. Missing scores are unknown.","source_id":"sr-09da5e81e8d694fefca965084cc4b4ae"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-c8666d9469da2eef5f8abee8c75540e7","url":"https://github.com/advisories/GHSA-7pfv-hr63-h7cw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-7pfv-hr63-h7cw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.952Z"},{"id":"sr-40a74dad5b50249e749ccd93fbd30992","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-30927","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-30927","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:56.268Z"},{"id":"sr-09da5e81e8d694fefca965084cc4b4ae","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-30927","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.781Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c8666d9469da2eef5f8abee8c75540e7"],"technology":"admidio/admidio","known_exclusions":[],"conditions_summary":"## Vulnerability\n\nIn `modules/events/events_function.php`, the event participation logic allows any user who can participate in an event to register OTHER users by manipulating the `user_uuid` GET parameter.\n\nLine 47: `$getUserUuid = admFuncVariableIsValid($_GET, 'user_uuid', 'uuid', ...)`\nLine 424: `if ($event->possibleToParticipate() || $participants->isLeader($gCurrentUserId))`\n\nThe condition uses `||` (OR), meaning if `possibleToParticipate()` returns true (event is open for participation), ANY user - not just leaders - can specify a different `user_uuid` and register/cancel participation for that user.\n\nThe code then operates on `$user->getValue('usr_id')` (the target user from user_uuid) rather than the current user.\n\n## Impact\n- Register unwilling users for events (potential harassment/spam)\n- Cancel other users' event participation\n- Manipulate event participant counts and comments\n- If events have participation limits, fill slots with unwanted registrations\n\n## Fix\nFor non-leader users, force `user_uuid` to the current user:\n```php\nif (!$participants->isLeader($gCurrentUserId)) {\n    $getUserUuid = $gCurrentUser->getValue('usr_uuid');\n}\n```","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.0.6"]}],"null_published_at":"2026-11-04T10:04:41.565Z","source_updated_at":"2026-03-10T18:48:30.504Z","source_disclosed_at":"2026-03-09T19:45:20.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:41:59.952Z"},{"id":"NVI-00006942","kind":"vulnerability","title":"Admidio: Event participation IDOR - non-leaders can register other users for events via user_uuid parameter","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-7pfv-hr63-h7cw","CVE-2026-30927"],"plain_summary":"OSV carries this publisher advisory for admidio/admidio. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 5.0.6 for admidio/admidio. Confirm the publisher’s latest guidance.","source_ids":["sr-c8666d9469da2eef5f8abee8c75540e7"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-40a74dad5b50249e749ccd93fbd30992"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T10:33:09.900Z","value":"5.4 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-40a74dad5b50249e749ccd93fbd30992"},{"kind":"CVSS","as_of":"2026-06-17T10:33:09.900Z","value":"5.3 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-40a74dad5b50249e749ccd93fbd30992"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-c8666d9469da2eef5f8abee8c75540e7","url":"https://github.com/advisories/GHSA-7pfv-hr63-h7cw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-7pfv-hr63-h7cw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.952Z"},{"id":"sr-40a74dad5b50249e749ccd93fbd30992","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-30927","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-30927","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:56.268Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c8666d9469da2eef5f8abee8c75540e7"],"technology":"admidio/admidio","known_exclusions":[],"conditions_summary":"## Vulnerability\n\nIn `modules/events/events_function.php`, the event participation logic allows any user who can participate in an event to register OTHER users by manipulating the `user_uuid` GET parameter.\n\nLine 47: `$getUserUuid = admFuncVariableIsValid($_GET, 'user_uuid', 'uuid', ...)`\nLine 424: `if ($event->possibleToParticipate() || $participants->isLeader($gCurrentUserId))`\n\nThe condition uses `||` (OR), meaning if `possibleToParticipate()` returns true (event is open for participation), ANY user - not just leaders - can specify a different `user_uuid` and register/cancel participation for that user.\n\nThe code then operates on `$user->getValue('usr_id')` (the target user from user_uuid) rather than the current user.\n\n## Impact\n- Register unwilling users for events (potential harassment/spam)\n- Cancel other users' event participation\n- Manipulate event participant counts and comments\n- If events have participation limits, fill slots with unwanted registrations\n\n## Fix\nFor non-leader users, force `user_uuid` to the current user:\n```php\nif (!$participants->isLeader($gCurrentUserId)) {\n    $getUserUuid = $gCurrentUser->getValue('usr_uuid');\n}\n```","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.0.6"]}],"null_published_at":"2026-11-01T14:34:07.635Z","source_updated_at":"2026-03-10T18:48:30.504Z","source_disclosed_at":"2026-03-09T19:45:20.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:59.952Z"},{"id":"NVI-00006942","kind":"vulnerability","title":"Admidio: Event participation IDOR - non-leaders can register other users for events via user_uuid parameter","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-7pfv-hr63-h7cw","CVE-2026-30927"],"plain_summary":"OSV carries this publisher advisory for admidio/admidio. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 5.0.6 for admidio/admidio. Confirm the publisher’s latest guidance.","source_ids":["sr-c8666d9469da2eef5f8abee8c75540e7"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-c8666d9469da2eef5f8abee8c75540e7","url":"https://github.com/advisories/GHSA-7pfv-hr63-h7cw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-7pfv-hr63-h7cw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.952Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c8666d9469da2eef5f8abee8c75540e7"],"technology":"admidio/admidio","known_exclusions":[],"conditions_summary":"## Vulnerability\n\nIn `modules/events/events_function.php`, the event participation logic allows any user who can participate in an event to register OTHER users by manipulating the `user_uuid` GET parameter.\n\nLine 47: `$getUserUuid = admFuncVariableIsValid($_GET, 'user_uuid', 'uuid', ...)`\nLine 424: `if ($event->possibleToParticipate() || $participants->isLeader($gCurrentUserId))`\n\nThe condition uses `||` (OR), meaning if `possibleToParticipate()` returns true (event is open for participation), ANY user - not just leaders - can specify a different `user_uuid` and register/cancel participation for that user.\n\nThe code then operates on `$user->getValue('usr_id')` (the target user from user_uuid) rather than the current user.\n\n## Impact\n- Register unwilling users for events (potential harassment/spam)\n- Cancel other users' event participation\n- Manipulate event participant counts and comments\n- If events have participation limits, fill slots with unwanted registrations\n\n## Fix\nFor non-leader users, force `user_uuid` to the current user:\n```php\nif (!$participants->isLeader($gCurrentUserId)) {\n    $getUserUuid = $gCurrentUser->getValue('usr_uuid');\n}\n```","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.0.6"]}],"null_published_at":"2026-10-31T22:13:14.304Z","source_updated_at":"2026-03-10T18:48:30.504Z","source_disclosed_at":"2026-03-09T19:45:20.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:41:59.952Z"}],"next_cursor":null,"snapshot_revision":"42594"}