CVE-2026-89246

Medium

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.

SeverityMedium

CVSS5.4

Exploit probability—

ProductAVideo

PublishedSep 11, 2026

First seenSep 11, 2026

Weakness typeCWE-1236CWE-1236

How to fix

Vendor advisories

github.com/WWBN/AVideo/security/advisories/GHSA-766f-9gfh-v4wj

Affected products

Product	Affected versions	Fixed in
WWBN AVideo	v ≤ c3edcc274c389816d434acadac07ee78eaf330c1	—

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