UNKNOWNCVSS not yet scoredVulnerability

CVE-2026-121491

The Fiber Admin WordPress plugin before 4.0.1 does not validate or escape a request header before writing it into a PHP file it regenerates on an unprotected admin hook, allowing unauthenticated attackers to execute arbitrary code when its custom database error page is enabled and they win a race against an administrator saving its settings.

Properties

Last source
NVD
Nvd fetched at
2026-11-07T06:40:34.987550+00:00
Cve id
CVE-2026-121491
First seen by Signal
2026-11-07T06:41:39+00:00
Retrieved at
2026-11-07T06:41:39+00:00
Published at
2026-11-07T06:16:58.280
Last modified
2026-11-07T06:16:58.280

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CVE-2026-121491 — Ninja Signal Threat Intelligence | Ninja Signal