CVE-2026-33043
High
Description
WWBN AVideo is an open source video platform. In versions 25.0 and below, /objects/phpsessionid.json.php exposes the current PHP session ID to any unauthenticated request. The allowOrigin() function reflects any Origin header back in Access-Control-Allow-Origin with Access-Control-Allow-Credentials: true, enabling cross-origin session theft and full account takeover. This issue has been fixed in version 26.0.
SeverityHigh
CVSS8.1
Exploit probability—
ProductWwbn Avideo
PublishedMar 20, 2026
First seenMar 20, 2026
Weakness typeCWE-942CWE-942
How to fix
Update
- wwbn avideo26.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| wwbn avideo | v < 26.0 | 26.0 |
| wwbn/avideoPackagist | v ≤ 25.0 | — |
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