# CVE-2026-33043

## Summary

- **CVE ID:** CVE-2026-33043
- **Severity:** HIGH
- **CVSS Score:** 8.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N)
- **CWE:** CWE-942
- **Published:** Mar 20, 2026
- **Last Modified:** Mar 25, 2026

## 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.

## Affected Products

- WWBN — AVideo (< 26.0)

## References

- [CNA](https://github.com/WWBN/AVideo/security/advisories/GHSA-qc3p-398r-p59j)
- [CNA](https://github.com/WWBN/AVideo/commit/9f4f51e5df5e3343400f9d0068705f5482b6f930)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.34%
- **EPSS Percentile:** 27.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._