WWBN AVideo has Multiple CSRF Vulnerabilities in Admin JSON Endpoints (Category CRUD, Plugin Update Script)

Exploitation

No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.

CVSS

7.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L

EPSS

• CVE-2026-40926: 0.17% estimated exploitation activity in the next 30 days; percentile 5.89 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.

As published by the source; long descriptions are shortened.

Summary Three admin-only JSON endpoints — objects/categoryAddNew.json.php, objects/categoryDelete.json.php, and objects/pluginRunUpdateScript.json.php — enforce only a role check (Category::canCreateCategory() / User::isAdmin()) and perform state-changing actions against the database without calling isGlobalTokenValid() or forbidIfIsUntrustedRequest(). Peer endpoints in the same directory (pluginSwitch.json.php, pluginRunDatabaseScript.json.php) do enforce the CSRF token, so the missing checks are an omission rather than a design choice. An attacker who lures a logged-in admin to a malicious page can create, update, or delete categories and force execution of any installed plugin's updateScript() method in the admin's session. Details AVideo's CSRF defense is not applied globally — each endpoint must explicitly call isGlobalTokenValid() (defined in objects/functions.php:2313), which verifies $REQUEST['globalToken']. A search across the codebase shows 18 files that correctly invoke…

Published by the source

14 Apr 2026, 23:12 UTC

Last modified by the source

9 May 2026, 07:39 UTC

Source last checked

26 Oct 2026, 14:40 UTC

1. Revision 1 · created · 26 Oct 2026

   Published from ghsa record GHSA-ffw8-fwxp-h64w

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# Patch Next advisory brief: CVE-2026-40926

Advisory: WWBN AVideo has Multiple CSRF Vulnerabilities in Admin JSON Endpoints (Category CRUD, Plugin Update Script)
IDs: CVE-2026-40926, GHSA-ffw8-fwxp-h64w
Record: https://patchnext.com/advisories/cve-2026-40926 (revision 1, source checked 26 Oct 2026, 14:40 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 7.1)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist wwbn/avideo: affected <= 29.0

## Suggested inspection (read-only)
- Packagist wwbn/avideo: check the installed version with your package manager.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on wwbn/avideo.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-ffw8-fwxp-h64w (GitHub-reviewed advisory GHSA-ffw8-fwxp-h64w lists affected ranges: Packagist wwbn/avideo >=0 <=29.0)

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