CVE-2026-89246

WWBN AVideo CSV Formula Injection via myComments.download.php

MEDIUM
5.4
CVSS Score
Published: September 11, 2026 at 11:15 AM UTC
Updated: September 11, 2026 at 07:17 PM UTC
1 product affected across 1 vendorAVideo

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ c3edcc274c389816d434acadac07ee78eaf330c1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-1236

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