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CVE-2026-89246 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a CSV formula injection vulnerability in the myComments.download.php endpoint that fails to sanitize spreadsheet formula prefixes in comment text. Authenticated users can inject formulas starting with =, +, -, or @ characters that execute when administrators or video owners open the exported CSV file in spreadsheet applications.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:5.9 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N

CNA: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/WWBN/AVideo/security/advisories/GHSA-766f-9gfh-v4wj	CISA-ADP	AdvisoryExploitTechnical DescriptionVendor
https://github.com/WWBN/AVideo/security/advisories/GHSA-766f-9gfh-v4wj	[email protected]	AdvisoryExploitTechnical DescriptionVendor
https://www.vulncheck.com/advisories/wwbn-avideo-csv-formula-injection-via-mycomments-download-php	[email protected]	Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-1236	Improper Neutralization of Formula Elements in a CSV File	[email protected]

Affected Products

Product	Versions
WWBN AVideo	<= c3edcc274c389816d434acadac07ee78eaf330c1
CPE cpe:2.3:a:wwbn:avideo:::::::: Remediation No remediation found in references.

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 11, 2026	CVE Modified	CISA-ADP
Sep 11, 2026	New CVE Received	[email protected]