HIGHVulnerability

CVE-2026-88866

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the LoginControl plugin that fails to encode the User-Agent header before storing it in login history. Attackers with any valid login account can inject malicious scripts in the User-Agent header that execute in administrator browsers when viewing the Login History page, allowing script execution within the administrator session.

Properties

severity
HIGH
score
8.7
cve_id
CVE-2026-88866
signal_observed_at
2026-09-17T21:32:24+00:00
vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
published_at
2026-09-10T14:17:12.773
last_modified
2026-09-15T15:17:25.413

Related Entities (2)

HAS_WEAKNESS (1)

[Weakness]Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

DESCRIBED_BY (1)

[Source]NVD

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CVE-2026-88866 — Ninja Signal Threat Intelligence | Ninja Signal