{"items":[{"id":"NVI-00008256","kind":"vulnerability","title":"YesWiki Vulnerable to Authenticated PHP Object Injection in BazarImportAction via unserialize","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9369-69wj-7m2f","CVE-2026-52777"],"plain_summary":"GitHub lists this reviewed advisory for yeswiki/yeswiki. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-05be801d13676d1e55fc978f8aa7928c"],"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},{"summary":"The original advisory lists fixed boundaries 4.6.6 for yeswiki/yeswiki. Confirm the publisher’s latest guidance.","source_ids":["sr-fc0d5110b20643eb1c9004bc60497354"],"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":[{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.276%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.20088. Missing scores are unknown.","source_id":"sr-05be801d13676d1e55fc978f8aa7928c"}],"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-0538c56c9b5e4f9488bc3ffdfa5c61bb","url":"https://github.com/advisories/GHSA-9369-69wj-7m2f","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9369-69wj-7m2f","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T23:34:40.400Z"},{"id":"sr-fc0d5110b20643eb1c9004bc60497354","url":"https://github.com/advisories/GHSA-9369-69wj-7m2f","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9369-69wj-7m2f","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.678Z"},{"id":"sr-05be801d13676d1e55fc978f8aa7928c","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-2026-52777","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.856Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0538c56c9b5e4f9488bc3ffdfa5c61bb"],"technology":"yeswiki/yeswiki","known_exclusions":[],"conditions_summary":"## Details\n\n### Sink\n\n`tools/bazar/services/CSVManager.php` line 372-399:\n\n```\npublic function importEntry(array $importedEntries, string $formId): ?array\n{\n    if (!$this->importdone) {\n        // ...\n        foreach ($importedEntries as $entry) {\n            $entry = unserialize(base64_decode($entry));   //  false]` argument; arbitrary classes are instantiated. The subsequent `array_map('strval', $entry)` additionally exercises `__toString` on each top-level array element, doubling the magic-method surface available to a gadget chain.\n\n### Source\n\n`tools/bazar/actions/BazarImportAction.php`:\n\n```\n// formatArguments()\n'mode' => (isset($_POST['submit_file']) && !empty($_FILES['fileimport']['name'])) ? 'submitfile' :\n    (isset($_POST['importfiche']) ? 'importentries' : 'default'),\n'importentries' => $_POST['importfiche'] ?? null,\n\n// run()\ncase 'importentries':\n    // ...\n    $importedEntries = $this->CSVManager->importEntry($this->arguments['importentries'], $vID['id']);\n    break;\n```\n\n`$_POST['importfiche']` flows directly to the sink. The `mode` switches to `'imp","public_affected_ranges":["< 4.6.6"]},{"certainty":"source_listed","source_ids":["sr-fc0d5110b20643eb1c9004bc60497354"],"technology":"yeswiki/yeswiki","known_exclusions":[],"conditions_summary":"## Details\n\n### Sink\n\n`tools/bazar/services/CSVManager.php` line 372-399:\n\n```\npublic function importEntry(array $importedEntries, string $formId): ?array\n{\n    if (!$this->importdone) {\n        // ...\n        foreach ($importedEntries as $entry) {\n            $entry = unserialize(base64_decode($entry));   //  false]` argument; arbitrary classes are instantiated. The subsequent `array_map('strval', $entry)` additionally exercises `__toString` on each top-level array element, doubling the magic-method surface available to a gadget chain.\n\n### Source\n\n`tools/bazar/actions/BazarImportAction.php`:\n\n```\n// formatArguments()\n'mode' => (isset($_POST['submit_file']) && !empty($_FILES['fileimport']['name'])) ? 'submitfile' :\n    (isset($_POST['importfiche']) ? 'importentries' : 'default'),\n'importentries' => $_POST['importfiche'] ?? null,\n\n// run()\ncase 'importentries':\n    // ...\n    $importedEntries = $this->CSVManager->importEntry($this->arguments['importentries'], $vID['id']);\n    break;\n```\n\n`$_POST['importfiche']` flows directly to the sink. The `mode` switches to `'imp","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.6.6"]}],"null_published_at":"2026-11-05T19:10:21.392Z","source_updated_at":"2026-07-09T21:02:59.000Z","source_disclosed_at":"2026-07-09T21:02:58.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.678Z"},{"id":"NVI-00008256","kind":"vulnerability","title":"YesWiki Vulnerable to Authenticated PHP Object Injection in BazarImportAction via unserialize","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9369-69wj-7m2f","CVE-2026-52777"],"plain_summary":"OSV carries this publisher advisory for yeswiki/yeswiki. 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 4.6.6 for yeswiki/yeswiki. Confirm the publisher’s latest guidance.","source_ids":["sr-fc0d5110b20643eb1c9004bc60497354"],"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-05be801d13676d1e55fc978f8aa7928c"],"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":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.276%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.20088. Missing scores are unknown.","source_id":"sr-05be801d13676d1e55fc978f8aa7928c"}],"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-fc0d5110b20643eb1c9004bc60497354","url":"https://github.com/advisories/GHSA-9369-69wj-7m2f","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9369-69wj-7m2f","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.678Z"},{"id":"sr-05be801d13676d1e55fc978f8aa7928c","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-2026-52777","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.856Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-fc0d5110b20643eb1c9004bc60497354"],"technology":"yeswiki/yeswiki","known_exclusions":[],"conditions_summary":"## Details\n\n### Sink\n\n`tools/bazar/services/CSVManager.php` line 372-399:\n\n```\npublic function importEntry(array $importedEntries, string $formId): ?array\n{\n    if (!$this->importdone) {\n        // ...\n        foreach ($importedEntries as $entry) {\n            $entry = unserialize(base64_decode($entry));   //  false]` argument; arbitrary classes are instantiated. The subsequent `array_map('strval', $entry)` additionally exercises `__toString` on each top-level array element, doubling the magic-method surface available to a gadget chain.\n\n### Source\n\n`tools/bazar/actions/BazarImportAction.php`:\n\n```\n// formatArguments()\n'mode' => (isset($_POST['submit_file']) && !empty($_FILES['fileimport']['name'])) ? 'submitfile' :\n    (isset($_POST['importfiche']) ? 'importentries' : 'default'),\n'importentries' => $_POST['importfiche'] ?? null,\n\n// run()\ncase 'importentries':\n    // ...\n    $importedEntries = $this->CSVManager->importEntry($this->arguments['importentries'], $vID['id']);\n    break;\n```\n\n`$_POST['importfiche']` flows directly to the sink. The `mode` switches to `'imp","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.6.6"]}],"null_published_at":"2026-11-03T17:49:15.008Z","source_updated_at":"2026-07-09T21:26:41.935Z","source_disclosed_at":"2026-07-09T21:02:58.000Z","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":"2026-10-31T21:42:10.678Z"},{"id":"NVI-00008256","kind":"vulnerability","title":"YesWiki Vulnerable to Authenticated PHP Object Injection in BazarImportAction via unserialize","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9369-69wj-7m2f","CVE-2026-52777"],"plain_summary":"OSV carries this publisher advisory for yeswiki/yeswiki. 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 4.6.6 for yeswiki/yeswiki. Confirm the publisher’s latest guidance.","source_ids":["sr-fc0d5110b20643eb1c9004bc60497354"],"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-0b7c4021e8a7972cc18d0448218294b1"],"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":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.276%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.201. Missing scores are unknown.","source_id":"sr-0b7c4021e8a7972cc18d0448218294b1"}],"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-fc0d5110b20643eb1c9004bc60497354","url":"https://github.com/advisories/GHSA-9369-69wj-7m2f","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9369-69wj-7m2f","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.678Z"},{"id":"sr-0b7c4021e8a7972cc18d0448218294b1","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-2026-52777","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.282Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-fc0d5110b20643eb1c9004bc60497354"],"technology":"yeswiki/yeswiki","known_exclusions":[],"conditions_summary":"## Details\n\n### Sink\n\n`tools/bazar/services/CSVManager.php` line 372-399:\n\n```\npublic function importEntry(array $importedEntries, string $formId): ?array\n{\n    if (!$this->importdone) {\n        // ...\n        foreach ($importedEntries as $entry) {\n            $entry = unserialize(base64_decode($entry));   //  false]` argument; arbitrary classes are instantiated. The subsequent `array_map('strval', $entry)` additionally exercises `__toString` on each top-level array element, doubling the magic-method surface available to a gadget chain.\n\n### Source\n\n`tools/bazar/actions/BazarImportAction.php`:\n\n```\n// formatArguments()\n'mode' => (isset($_POST['submit_file']) && !empty($_FILES['fileimport']['name'])) ? 'submitfile' :\n    (isset($_POST['importfiche']) ? 'importentries' : 'default'),\n'importentries' => $_POST['importfiche'] ?? null,\n\n// run()\ncase 'importentries':\n    // ...\n    $importedEntries = $this->CSVManager->importEntry($this->arguments['importentries'], $vID['id']);\n    break;\n```\n\n`$_POST['importfiche']` flows directly to the sink. The `mode` switches to `'imp","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.6.6"]}],"null_published_at":"2026-11-02T20:21:07.846Z","source_updated_at":"2026-07-09T21:26:41.935Z","source_disclosed_at":"2026-07-09T21:02:58.000Z","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":"2026-10-31T21:42:10.678Z"},{"id":"NVI-00008256","kind":"vulnerability","title":"YesWiki Vulnerable to Authenticated PHP Object Injection in BazarImportAction via unserialize","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9369-69wj-7m2f","CVE-2026-52777"],"plain_summary":"OSV carries this publisher advisory for yeswiki/yeswiki. 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 4.6.6 for yeswiki/yeswiki. Confirm the publisher’s latest guidance.","source_ids":["sr-fc0d5110b20643eb1c9004bc60497354"],"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-fc0d5110b20643eb1c9004bc60497354","url":"https://github.com/advisories/GHSA-9369-69wj-7m2f","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9369-69wj-7m2f","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.678Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-fc0d5110b20643eb1c9004bc60497354"],"technology":"yeswiki/yeswiki","known_exclusions":[],"conditions_summary":"## Details\n\n### Sink\n\n`tools/bazar/services/CSVManager.php` line 372-399:\n\n```\npublic function importEntry(array $importedEntries, string $formId): ?array\n{\n    if (!$this->importdone) {\n        // ...\n        foreach ($importedEntries as $entry) {\n            $entry = unserialize(base64_decode($entry));   //  false]` argument; arbitrary classes are instantiated. The subsequent `array_map('strval', $entry)` additionally exercises `__toString` on each top-level array element, doubling the magic-method surface available to a gadget chain.\n\n### Source\n\n`tools/bazar/actions/BazarImportAction.php`:\n\n```\n// formatArguments()\n'mode' => (isset($_POST['submit_file']) && !empty($_FILES['fileimport']['name'])) ? 'submitfile' :\n    (isset($_POST['importfiche']) ? 'importentries' : 'default'),\n'importentries' => $_POST['importfiche'] ?? null,\n\n// run()\ncase 'importentries':\n    // ...\n    $importedEntries = $this->CSVManager->importEntry($this->arguments['importentries'], $vID['id']);\n    break;\n```\n\n`$_POST['importfiche']` flows directly to the sink. The `mode` switches to `'imp","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 4.6.6"]}],"null_published_at":"2026-10-31T22:13:22.836Z","source_updated_at":"2026-07-09T21:26:41.935Z","source_disclosed_at":"2026-07-09T21:02:58.000Z","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":"2026-10-31T21:42:10.678Z"}],"next_cursor":null,"snapshot_revision":"42594"}