{"items":[{"id":"NVI-00004725","kind":"vulnerability","title":"AVideo Vulnerable to Remote Code Execution via MIME/Extension Mismatch in ImageGallery File Upload","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-wxjw-phj6-g75w","CVE-2026-33647"],"plain_summary":"OSV carries this publisher advisory for wwbn/avideo. This is an aggregated source copy; consult the original publisher and compare update dates.","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-376d9a52648b9d4d81a7411bfa2365e4"],"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":"2026-06-17T10:37:50.607Z","value":"8.8 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-9ab9e21cb0e3d7a549a25f4f1864dad1"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.651%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.51202. Missing scores are unknown.","source_id":"sr-376d9a52648b9d4d81a7411bfa2365e4"}],"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-70a4ce29b48ec7ceaa832e9c27fc2331","url":"https://github.com/advisories/GHSA-wxjw-phj6-g75w","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-wxjw-phj6-g75w","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.437Z"},{"id":"sr-9ab9e21cb0e3d7a549a25f4f1864dad1","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33647","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-33647","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:22:50.140Z"},{"id":"sr-376d9a52648b9d4d81a7411bfa2365e4","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-2026-33647","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.377Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-70a4ce29b48ec7ceaa832e9c27fc2331"],"technology":"wwbn/avideo","known_exclusions":[],"conditions_summary":"## Summary\n\nThe `ImageGallery::saveFile()` method validates uploaded file content using `finfo` MIME type detection but derives the saved filename extension from the user-supplied original filename without an allowlist check. An attacker can upload a polyglot file (valid JPEG magic bytes followed by PHP code) with a `.php` extension. The MIME check passes, but the file is saved as an executable `.php` file in a web-accessible directory, achieving Remote Code Execution.\n\n## Details\n\nThe vulnerability exists in `plugin/ImageGallery/ImageGallery.php` in the `saveFile()` method:\n\n```php\n// plugin/ImageGallery/ImageGallery.php:80-108\nstatic function saveFile($file, $videos_id)\n{\n    $allowedMimeTypes = ['image/jpeg', 'image/webp', 'image/gif', 'image/png', 'video/mp4'];\n    $directory = self::getImageDir($videos_id);\n\n    // MIME check on file CONTENT — bypassable with polyglot\n    $finfo = new finfo(FILEINFO_MIME_TYPE);\n    $fileType = $finfo->file($file['tmp_name']);\n\n    if (in_array($fileType, $allowedMimeTypes)) {\n        // Extension from attacker-controlled filename — NO allowlist\n        $extension = strtolower(pathinfo($file['name'], PATHINFO_EXTENSION));\n        do {\n         ","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 26.0"]}],"null_published_at":"2026-11-06T15:18:11.507Z","source_updated_at":"2026-03-25T18:11:20.558Z","source_disclosed_at":"2026-03-25T17:45:40.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:51.437Z"},{"id":"NVI-00004725","kind":"vulnerability","title":"AVideo Vulnerable to Remote Code Execution via MIME/Extension Mismatch in ImageGallery File Upload","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-wxjw-phj6-g75w","CVE-2026-33647"],"plain_summary":"OSV carries this publisher advisory for wwbn/avideo. This is an aggregated source copy; consult the original publisher and compare update dates.","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-376d9a52648b9d4d81a7411bfa2365e4"],"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":"2026-10-31T12:00:27.000Z","value":"0.651%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.51202. Missing scores are unknown.","source_id":"sr-376d9a52648b9d4d81a7411bfa2365e4"}],"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-70a4ce29b48ec7ceaa832e9c27fc2331","url":"https://github.com/advisories/GHSA-wxjw-phj6-g75w","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-wxjw-phj6-g75w","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.437Z"},{"id":"sr-376d9a52648b9d4d81a7411bfa2365e4","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-2026-33647","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.377Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-70a4ce29b48ec7ceaa832e9c27fc2331"],"technology":"wwbn/avideo","known_exclusions":[],"conditions_summary":"## Summary\n\nThe `ImageGallery::saveFile()` method validates uploaded file content using `finfo` MIME type detection but derives the saved filename extension from the user-supplied original filename without an allowlist check. An attacker can upload a polyglot file (valid JPEG magic bytes followed by PHP code) with a `.php` extension. The MIME check passes, but the file is saved as an executable `.php` file in a web-accessible directory, achieving Remote Code Execution.\n\n## Details\n\nThe vulnerability exists in `plugin/ImageGallery/ImageGallery.php` in the `saveFile()` method:\n\n```php\n// plugin/ImageGallery/ImageGallery.php:80-108\nstatic function saveFile($file, $videos_id)\n{\n    $allowedMimeTypes = ['image/jpeg', 'image/webp', 'image/gif', 'image/png', 'video/mp4'];\n    $directory = self::getImageDir($videos_id);\n\n    // MIME check on file CONTENT — bypassable with polyglot\n    $finfo = new finfo(FILEINFO_MIME_TYPE);\n    $fileType = $finfo->file($file['tmp_name']);\n\n    if (in_array($fileType, $allowedMimeTypes)) {\n        // Extension from attacker-controlled filename — NO allowlist\n        $extension = strtolower(pathinfo($file['name'], PATHINFO_EXTENSION));\n        do {\n         ","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 26.0"]}],"null_published_at":"2026-10-31T22:27:15.290Z","source_updated_at":"2026-03-25T18:11:20.558Z","source_disclosed_at":"2026-03-25T17:45:40.000Z","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":"2026-10-31T21:42:51.437Z"},{"id":"NVI-00004725","kind":"vulnerability","title":"AVideo Vulnerable to Remote Code Execution via MIME/Extension Mismatch in ImageGallery File Upload","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-wxjw-phj6-g75w","CVE-2026-33647"],"plain_summary":"OSV carries this publisher advisory for wwbn/avideo. This is an aggregated source copy; consult the original publisher and compare update dates.","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-70a4ce29b48ec7ceaa832e9c27fc2331"],"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":[],"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-70a4ce29b48ec7ceaa832e9c27fc2331","url":"https://github.com/advisories/GHSA-wxjw-phj6-g75w","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-wxjw-phj6-g75w","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.437Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-70a4ce29b48ec7ceaa832e9c27fc2331"],"technology":"wwbn/avideo","known_exclusions":[],"conditions_summary":"## Summary\n\nThe `ImageGallery::saveFile()` method validates uploaded file content using `finfo` MIME type detection but derives the saved filename extension from the user-supplied original filename without an allowlist check. An attacker can upload a polyglot file (valid JPEG magic bytes followed by PHP code) with a `.php` extension. The MIME check passes, but the file is saved as an executable `.php` file in a web-accessible directory, achieving Remote Code Execution.\n\n## Details\n\nThe vulnerability exists in `plugin/ImageGallery/ImageGallery.php` in the `saveFile()` method:\n\n```php\n// plugin/ImageGallery/ImageGallery.php:80-108\nstatic function saveFile($file, $videos_id)\n{\n    $allowedMimeTypes = ['image/jpeg', 'image/webp', 'image/gif', 'image/png', 'video/mp4'];\n    $directory = self::getImageDir($videos_id);\n\n    // MIME check on file CONTENT — bypassable with polyglot\n    $finfo = new finfo(FILEINFO_MIME_TYPE);\n    $fileType = $finfo->file($file['tmp_name']);\n\n    if (in_array($fileType, $allowedMimeTypes)) {\n        // Extension from attacker-controlled filename — NO allowlist\n        $extension = strtolower(pathinfo($file['name'], PATHINFO_EXTENSION));\n        do {\n         ","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 26.0"]}],"null_published_at":"2026-10-31T22:12:57.140Z","source_updated_at":"2026-03-25T18:11:20.558Z","source_disclosed_at":"2026-03-25T17:45:40.000Z","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":"2026-10-31T21:42:51.437Z"}],"next_cursor":null,"snapshot_revision":"42594"}