VDB-403127 · CVE-2026-90545 · GCVE-0-2026-90545

WWBN AVideo Comment Submission commentAddNew.json.php access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.2	$0-$5k	0.00+

Summaryinfo

A vulnerability marked as problematic has been reported in WWBN AVideo. Affected is an unknown function of the file commentAddNew.json.php of the component Comment Submission. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2026-90545. The attack is possible to be carried out remotely. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in WWBN AVideo (the affected version is unknown). It has been rated as problematic. This issue affects an unknown code of the file commentAddNew.json.php of the component Comment Submission. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is integrity. The summary by CVE is:

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate video access permissions in the commentAddNew.json.php endpoint, allowing authenticated users to post comments on password-protected and group-restricted videos. Attackers can submit POST requests with a valid session to add comments to videos they cannot watch, bypassing password and group access controls.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-90545 since 09/12/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

By approaching the search of inurl:commentAddNew.json.php it is possible to find vulnerable targets with Google Hacking.

Applying the patch c3edcc274c389816d434acadac07ee78eaf330c1 is able to eliminate this problem.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

WWBN

Name

AVideo

License

open-source

Website

Product: https://github.com/WWBN/AVideo/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (VulnCheck): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Google Hack: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: c3edcc274c389816d434acadac07ee78eaf330c1

Timelineinfo

09/12/2026 Advisory disclosed
09/12/2026 +0 days CVE reserved
09/12/2026 +0 days VulDB entry created
09/12/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-90545 (🔒)
GCVE (CVE): GCVE-0-2026-90545
GCVE (VulDB): GCVE-100-403127

Entryinfo

Created: 09/12/2026 14:26
Changes: 09/12/2026 14:26 (76)
Complete: 🔍
Cache ID: 216::103