CVE-2026-89246

medium

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a CSV formula injection vulnerability in the myComments.download.php endpoint that…

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.

CVSS

5.4

5.4 (CVSS v3.1)

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)

Timeline (UTC)

Published: 2026-09-11 12:16

Modified: 2026-09-11 19:17

NVD status: Deferred

Last synced 1 day ago

Verified against the source API 2026-10-27 06:52 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Weakness classification (CWE)

CWE-1236

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-766f-9gfh-v4wj disclosure@vulncheck.com
https://www.vulncheck.com/advisories/wwbn-avideo-csv-formula-injection-via-mycomments-down... disclosure@vulncheck.com
https://github.com/WWBN/AVideo/security/advisories/GHSA-766f-9gfh-v4wj 134c704f-9b21-4f2e-91b3-4a467353bcc0

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 06:52 UTC · record ↗

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