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VulnerabilityPublished

CVE-2026-121492: Fiber Admin (WordPress plugin) · Missing Authorization

Affects Fiber Admin (WordPress plugin)Source CVE Database V5

0
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Not known to be exploited : upgrade to 4.0.1 when convenient.

Data as of 7 Nov 2026, 06:05 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in 4.0.1

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 7 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 6 Nov 2026.

What to do

Upgrade Fiber Admin (WordPress plugin) to 4.0.1.

Affected software

ProductAffectedFixed in
Fiber AdminAffected
  • <4.0.1
Fixed in
  • 4.0.1

AI-suggested

Upgrade Fiber Admin to version 4.0.1 or later, where the missing authorization checks have been implemented. No other mitigation is indicated or required as the issue is addressed by this official fix.

Description

The Fiber Admin WordPress plugin versions before 4.0.1 lack authorization checks in certain AJAX actions. This flaw allows unauthenticated users to reorder arbitrary posts, including drafts, private posts, and navigation menu items, as well as taxonomy terms if term ordering is enabled. The issue is fixed in version 4.0.1.

References

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