{"items":[{"id":"NVI-00002165","kind":"vulnerability","title":"AVideo: Unauthenticated CRLF/ICS Injection in Scheduler downloadICS.php Allows Calendar Event Spoofing","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-mwgh-92m2-wvhv","CVE-2026-43882"],"plain_summary":"GitHub lists this reviewed advisory for wwbn/avideo. 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-0ddc8c0e87fc0bf391e5894d59ab99e8"],"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":"2026-05-13T14:20:35.000Z","value":"4.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-1f7104e4f90743e64e64cfcdd1e0c463"},{"kind":"CVSS","as_of":"2026-10-26T18:10:00.173Z","value":"4.3 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-0ddc8c0e87fc0bf391e5894d59ab99e8"}],"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-1f7104e4f90743e64e64cfcdd1e0c463","url":"https://github.com/advisories/GHSA-mwgh-92m2-wvhv","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mwgh-92m2-wvhv","publisher":"GitHub Advisory Database","observed_at":"2026-11-08T15:08:00.152Z"},{"id":"sr-0e15dfa7132bacb4fae22e22abfe665d","url":"https://github.com/advisories/GHSA-mwgh-92m2-wvhv","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-mwgh-92m2-wvhv","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.984Z"},{"id":"sr-0ddc8c0e87fc0bf391e5894d59ab99e8","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43882","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-43882","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:02.489Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1f7104e4f90743e64e64cfcdd1e0c463"],"technology":"wwbn/avideo","known_exclusions":[],"conditions_summary":"## Summary\n\nThe unauthenticated `plugin/Scheduler/downloadICS.php` endpoint passes attacker-controlled `title`, `description`, and `joinURL` parameters into `Scheduler::downloadICS()`, which builds an ICS calendar file via the `ICS` helper class. `ICS::escape_string()` (`objects/ICS.php:167-169`) only escapes `,` and `;` and does NOT neutralize CR/LF, so attacker CRLF bytes inside a property value break out and inject arbitrary ICS lines — including `END:VEVENT` / `BEGIN:VEVENT` pairs that add entire attacker-controlled calendar events. Because the malicious `.ics` file is served from the victim's trusted AVideo origin, this enables high-credibility calendar phishing: forged meetings with attacker-chosen `SUMMARY`, `URL`, `LOCATION`, and `DESCRIPTION` landing in the victim's calendar after import.\n\n## Details\n\n### Vulnerable code path\n\n**`plugin/Scheduler/downloadICS.php`** — unauthenticated entry point:\n\n```php\nif(!AVideoPlugin::isEnabledByName('Scheduler')){\n    forbiddenPage('Scheduler is disabled');\n}\nif(empty($_REQUEST['title'])){ forbiddenPage('Title cannot be empty'); }\nif(empty($_REQUEST['date_start'])){ forbiddenPage('date_start cannot be empty'); }\n\nScheduler::downloadICS","public_affected_ranges":["<= 29.0"]},{"certainty":"source_listed","source_ids":["sr-0e15dfa7132bacb4fae22e22abfe665d"],"technology":"wwbn/avideo","known_exclusions":[],"conditions_summary":"## Summary\n\nThe unauthenticated `plugin/Scheduler/downloadICS.php` endpoint passes attacker-controlled `title`, `description`, and `joinURL` parameters into `Scheduler::downloadICS()`, which builds an ICS calendar file via the `ICS` helper class. `ICS::escape_string()` (`objects/ICS.php:167-169`) only escapes `,` and `;` and does NOT neutralize CR/LF, so attacker CRLF bytes inside a property value break out and inject arbitrary ICS lines — including `END:VEVENT` / `BEGIN:VEVENT` pairs that add entire attacker-controlled calendar events. Because the malicious `.ics` file is served from the victim's trusted AVideo origin, this enables high-credibility calendar phishing: forged meetings with attacker-chosen `SUMMARY`, `URL`, `LOCATION`, and `DESCRIPTION` landing in the victim's calendar after import.\n\n## Details\n\n### Vulnerable code path\n\n**`plugin/Scheduler/downloadICS.php`** — unauthenticated entry point:\n\n```php\nif(!AVideoPlugin::isEnabledByName('Scheduler')){\n    forbiddenPage('Scheduler is disabled');\n}\nif(empty($_REQUEST['title'])){ forbiddenPage('Title cannot be empty'); }\nif(empty($_REQUEST['date_start'])){ forbiddenPage('date_start cannot be empty'); }\n\nScheduler::downloadICS","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 29.0"]}],"null_published_at":"2026-11-08T15:11:47.451Z","source_updated_at":"2026-05-13T14:20:35.000Z","source_disclosed_at":"2026-05-05T22:14:31.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:30.984Z"},{"id":"NVI-00002165","kind":"vulnerability","title":"AVideo: Unauthenticated CRLF/ICS Injection in Scheduler downloadICS.php Allows Calendar Event Spoofing","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-mwgh-92m2-wvhv","CVE-2026-43882"],"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-0ddc8c0e87fc0bf391e5894d59ab99e8"],"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":"2026-10-26T18:10:00.173Z","value":"4.3 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-0ddc8c0e87fc0bf391e5894d59ab99e8"}],"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-0e15dfa7132bacb4fae22e22abfe665d","url":"https://github.com/advisories/GHSA-mwgh-92m2-wvhv","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-mwgh-92m2-wvhv","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.984Z"},{"id":"sr-0ddc8c0e87fc0bf391e5894d59ab99e8","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43882","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-43882","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:02.489Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0e15dfa7132bacb4fae22e22abfe665d"],"technology":"wwbn/avideo","known_exclusions":[],"conditions_summary":"## Summary\n\nThe unauthenticated `plugin/Scheduler/downloadICS.php` endpoint passes attacker-controlled `title`, `description`, and `joinURL` parameters into `Scheduler::downloadICS()`, which builds an ICS calendar file via the `ICS` helper class. `ICS::escape_string()` (`objects/ICS.php:167-169`) only escapes `,` and `;` and does NOT neutralize CR/LF, so attacker CRLF bytes inside a property value break out and inject arbitrary ICS lines — including `END:VEVENT` / `BEGIN:VEVENT` pairs that add entire attacker-controlled calendar events. Because the malicious `.ics` file is served from the victim's trusted AVideo origin, this enables high-credibility calendar phishing: forged meetings with attacker-chosen `SUMMARY`, `URL`, `LOCATION`, and `DESCRIPTION` landing in the victim's calendar after import.\n\n## Details\n\n### Vulnerable code path\n\n**`plugin/Scheduler/downloadICS.php`** — unauthenticated entry point:\n\n```php\nif(!AVideoPlugin::isEnabledByName('Scheduler')){\n    forbiddenPage('Scheduler is disabled');\n}\nif(empty($_REQUEST['title'])){ forbiddenPage('Title cannot be empty'); }\nif(empty($_REQUEST['date_start'])){ forbiddenPage('date_start cannot be empty'); }\n\nScheduler::downloadICS","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 29.0"]}],"null_published_at":"2026-11-01T14:34:07.518Z","source_updated_at":"2026-05-13T14:33:42.463Z","source_disclosed_at":"2026-05-05T22:14:31.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:30.984Z"},{"id":"NVI-00002165","kind":"vulnerability","title":"AVideo: Unauthenticated CRLF/ICS Injection in Scheduler downloadICS.php Allows Calendar Event Spoofing","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mwgh-92m2-wvhv","CVE-2026-43882"],"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-0e15dfa7132bacb4fae22e22abfe665d"],"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-0e15dfa7132bacb4fae22e22abfe665d","url":"https://github.com/advisories/GHSA-mwgh-92m2-wvhv","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-mwgh-92m2-wvhv","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.984Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0e15dfa7132bacb4fae22e22abfe665d"],"technology":"wwbn/avideo","known_exclusions":[],"conditions_summary":"## Summary\n\nThe unauthenticated `plugin/Scheduler/downloadICS.php` endpoint passes attacker-controlled `title`, `description`, and `joinURL` parameters into `Scheduler::downloadICS()`, which builds an ICS calendar file via the `ICS` helper class. `ICS::escape_string()` (`objects/ICS.php:167-169`) only escapes `,` and `;` and does NOT neutralize CR/LF, so attacker CRLF bytes inside a property value break out and inject arbitrary ICS lines — including `END:VEVENT` / `BEGIN:VEVENT` pairs that add entire attacker-controlled calendar events. Because the malicious `.ics` file is served from the victim's trusted AVideo origin, this enables high-credibility calendar phishing: forged meetings with attacker-chosen `SUMMARY`, `URL`, `LOCATION`, and `DESCRIPTION` landing in the victim's calendar after import.\n\n## Details\n\n### Vulnerable code path\n\n**`plugin/Scheduler/downloadICS.php`** — unauthenticated entry point:\n\n```php\nif(!AVideoPlugin::isEnabledByName('Scheduler')){\n    forbiddenPage('Scheduler is disabled');\n}\nif(empty($_REQUEST['title'])){ forbiddenPage('Title cannot be empty'); }\nif(empty($_REQUEST['date_start'])){ forbiddenPage('date_start cannot be empty'); }\n\nScheduler::downloadICS","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 29.0"]}],"null_published_at":"2026-10-31T21:54:04.899Z","source_updated_at":"2026-05-13T14:33:42.463Z","source_disclosed_at":"2026-05-05T22:14:31.000Z","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":"2026-10-31T21:42:30.984Z"}],"next_cursor":null,"snapshot_revision":"42594"}