CVE-2026-90538

WWBN AVideo Missing Authorization via playlistsFromUser.json.php

Published Sep 12, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed

Description

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a missing authorization vulnerability in playlistsFromUser.json.php that allows unauthenticated attackers to read private playlists by requesting another user's identifier. Attackers can retrieve Favorite and Watch Later playlists belonging to other users due to improper cache keying that conflates requests across different user contexts.

Analysis

Technical impact

WWBN AVideo contains a missing‑authorization flaw in the playlistsFromUser.json.php endpoint that permits any unauthenticated user to download the private Favorite and Watch Later playlists of any account by supplying that account’s identifier. The vulnerability is a CWE‑200 confidentiality issue that arises from the lack of requester validation and from improper cache keying that merges requests across distinct user contexts, thereby leaking confidential user data.

Affected Systems

All installations of WWBN AVideo that include the code from commit c3edcc274c389816d434acadac07ee78eaf330c1 are affected. Administrators should verify that their deployment is at least this commit or newer, as only releases that incorporate the missing‑authorization fix in playlistsFromUser.json.php address the issue.

Risk and Exploitability

The CVSS score of 6.9 classifies the vulnerability as moderately severe, while the EPSS score of less than 1% indicates a low but non‑zero chance of exploitation. It is not listed in CISA’s KEV catalog. The likely attack vector is a remote, unauthenticated HTTP request to the publicly reachable playlistsFromUser.json.php endpoint. Based on the description, it is inferred that an attacker sends a crafted request such as /playlistsFromUser.json.php?userId=<target>, bypassing any authentication and retrieving the target’s private playlists.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

WWBN

AVideo

unaffected

Version	Status	Constraints
`0`	affected	≤ c3edcc274c389816d434acadac07ee78eaf330c1

No data.

Vendor Product Versions

Wwbn

Avideo

Version	Status	Scheme	Platform
`[0,c3edcc274c389816d434acadac07ee78eaf330c1]`	affected	generic	—

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

Update WWBN AVideo to the latest release that includes the fixed authorization checks and proper cache key separation in playlistsFromUser.json.php.
If updating immediately is not feasible, configure the web server or reverse proxy to require authentication before accessing playlistsFromUser.json.php, effectively blocking unauthenticated requests.
Deploy network‑level controls, such as a WAF rule or IP filtering, to restrict access to the playlistsFromUser.json.php endpoint from untrusted networks.
Disable caching for playlistsFromUser.json.php or enforce distinct cache keys per user to prevent cross‑user data leakage.
Monitor access logs for suspicious requests to the endpoint and verify that the authorization checks are functioning as intended.

Generated by OpenCVE AI on September 15, 2026 at 19:34 UTC.

Tracking

Advisories

No advisories available

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.358% probability within 30 days)

Exploitation poc

Automatable yes

Technical Impact partial

References

Link	Providers
https://github.com/WWBN/AVideo/security/advisories/GHSA-6382-hm4f-hxqg
https://www.vulncheck.com/advisories/wwbn-avideo-missing-authorization-via-playlistsfromuser-json-php

History

Sep 14, 2026 9:00 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Sep 12, 2026 12:30 PM Description updated. Title updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a missing authorization vulnerability in playlistsFromUser.json.php that allows unauthenticated attackers to read private playlists by requesting another user's identifier. Attackers can retrieve Favorite and Watch Later playlists belonging to other users due to improper cache keying that conflates requests across different user contexts.
Title		WWBN AVideo Missing Authorization via playlistsFromUser.json.php
First Time appeared		Wwbn Wwbn avideo
Weaknesses		CWE-200
CPEs		cpe:2.3:a:wwbn:avideo:-:::::::*
Vendors & Products		Wwbn Wwbn avideo
References		https://github.com/WWBN/AVideo/security/advisories/GHSA-6382-hm4f-hxqg https://www.vulncheck.com/advisories/wwbn-avideo-missing-authorization-via-playlistsfromuser-json-php
Metrics		cvssV3_1 `{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}` cvssV4_0 `{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}`