CVE-2026-89246
WWBN AVideo CSV Formula Injection via myComments.download.php
- State
- Published
- Severity
- 5.1 Medium
- Published
- Sep 11, 2026
- Updated
- Sep 11, 2026
- Reserved
- Sep 11, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N | VulnCheck |
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-1236 Improper Neutralization of Formula Elements in a CSV File
Affected Products
| Product | Versions |
|---|---|
AVideoWWBN |
|
References
- GitHub Security Advisory (GHSA-766f-9gfh-v4wj)vendor-advisory
- VulnCheck Advisory: WWBN AVideo CSV Formula Injection via myComments.download.phpthird-party-advisory
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