{"items":[{"id":"NVI-00004693","kind":"vulnerability","title":"AVideo: HTML Injection in notifySubscribers.json.php Allows Platform-Branded Phishing Emails to Channel Subscribers","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-g9cm-rxp7-6gv5","CVE-2026-43876"],"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-1a6e5d4cc9f00256d1bfc59367fba4fe"],"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":"2026-11-04T12:03:12.000Z","value":"0.191%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.08832. Missing scores are unknown.","source_id":"sr-1a6e5d4cc9f00256d1bfc59367fba4fe"}],"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-6f9c214bce9143359324b87dfabe8d5e","url":"https://github.com/advisories/GHSA-g9cm-rxp7-6gv5","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-g9cm-rxp7-6gv5","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.414Z"},{"id":"sr-1a6e5d4cc9f00256d1bfc59367fba4fe","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-2026-43876","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.327Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6f9c214bce9143359324b87dfabe8d5e"],"technology":"wwbn/avideo","known_exclusions":[],"conditions_summary":"## Summary\n\n`objects/notifySubscribers.json.php` takes the raw `message` POST parameter and passes it into `sendSiteEmail()`, which substitutes it directly into an HTML email template (via `str_replace` on the `{message}` placeholder) and renders it with `PHPMailer::msgHTML()`. There is no HTML sanitization, character escaping, or output encoding on the attacker-controlled `message` between `$_POST['message']` and the rendered email. Any authenticated user with upload permission can therefore broadcast arbitrary HTML — phishing links, tracking pixels, CSS/UI spoofing — to every subscriber on their channel (up to 10,000 recipients per invocation). The email is sent From: the platform's configured contact address and wrapped in the site's official logo and title, so attacker-supplied HTML arrives with the appearance of an official platform communication.\n\n## Details\n\n**File:** `objects/notifySubscribers.json.php`\n\n```php\n10: if (!User::canUpload()) {\n11:     forbiddenPage('You can not notify');\n12: }\n13: forbidIfIsUntrustedRequest('notifySubscribers');\n14: $user_id = User::getId();\n15: // if admin bring all subscribers\n16: if (User::isAdmin()) {\n17:     $user_id = '';\n18: }\n19:\n20: r","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 29.0"]}],"null_published_at":"2026-11-08T19:53:44.004Z","source_updated_at":"2026-05-13T14:33:39.295Z","source_disclosed_at":"2026-05-05T19:11:32.000Z","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":"2026-10-31T21:42:20.414Z"},{"id":"NVI-00004693","kind":"vulnerability","title":"AVideo: HTML Injection in notifySubscribers.json.php Allows Platform-Branded Phishing Emails to Channel Subscribers","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-g9cm-rxp7-6gv5","CVE-2026-43876"],"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-012bdf4f4538d7a35d0f5b0c282304e5"],"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":"0.191%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.08766. Missing scores are unknown.","source_id":"sr-012bdf4f4538d7a35d0f5b0c282304e5"}],"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-6f9c214bce9143359324b87dfabe8d5e","url":"https://github.com/advisories/GHSA-g9cm-rxp7-6gv5","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-g9cm-rxp7-6gv5","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.414Z"},{"id":"sr-012bdf4f4538d7a35d0f5b0c282304e5","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-2026-43876","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.378Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6f9c214bce9143359324b87dfabe8d5e"],"technology":"wwbn/avideo","known_exclusions":[],"conditions_summary":"## Summary\n\n`objects/notifySubscribers.json.php` takes the raw `message` POST parameter and passes it into `sendSiteEmail()`, which substitutes it directly into an HTML email template (via `str_replace` on the `{message}` placeholder) and renders it with `PHPMailer::msgHTML()`. There is no HTML sanitization, character escaping, or output encoding on the attacker-controlled `message` between `$_POST['message']` and the rendered email. Any authenticated user with upload permission can therefore broadcast arbitrary HTML — phishing links, tracking pixels, CSS/UI spoofing — to every subscriber on their channel (up to 10,000 recipients per invocation). The email is sent From: the platform's configured contact address and wrapped in the site's official logo and title, so attacker-supplied HTML arrives with the appearance of an official platform communication.\n\n## Details\n\n**File:** `objects/notifySubscribers.json.php`\n\n```php\n10: if (!User::canUpload()) {\n11:     forbiddenPage('You can not notify');\n12: }\n13: forbidIfIsUntrustedRequest('notifySubscribers');\n14: $user_id = User::getId();\n15: // if admin bring all subscribers\n16: if (User::isAdmin()) {\n17:     $user_id = '';\n18: }\n19:\n20: r","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 29.0"]}],"null_published_at":"2026-10-31T22:13:44.213Z","source_updated_at":"2026-05-13T14:33:39.295Z","source_disclosed_at":"2026-05-05T19:11:32.000Z","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":"2026-10-31T21:42:20.414Z"}],"next_cursor":null,"snapshot_revision":"42594"}