CVE-2026-121492

Fiber Admin < 4.0.1 - Unauthenticated Arbitrary Post and Term Order Modification via fiad_cpo_update and fiad_cpo_tax_update

Published Nov 7, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
The Fiber Admin WordPress plugin before 4.0.1 does not have authorisation checks in some of its AJAX actions, allowing unauthenticated users to change the order of arbitrary posts, including drafts, private posts and navigation menu items, as well as the order of taxonomy terms when term ordering is enabled.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions fiber Admin
Vendors & Products Wordpress-extensions
Wordpress-extensions fiber Admin
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-285
Type Values Removed Values Added
Weaknesses CWE-862
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

Type Values Removed Values Added
Weaknesses CWE-285
Type Values Removed Values Added
Description The Fiber Admin WordPress plugin before 4.0.1 does not have authorisation checks in some of its AJAX actions, allowing unauthenticated users to change the order of arbitrary posts, including drafts, private posts and navigation menu items, as well as the order of taxonomy terms when term ordering is enabled.
Title Fiber Admin < 4.0.1 - Unauthenticated Arbitrary Post and Term Order Modification via fiad_cpo_update and fiad_cpo_tax_update
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Nov 7, 2026, 6:16 PM
Reserved
Nov 3, 2026, 2:07 PM
Status
Deferred
Published
Nov 7, 2026, 6:16 AM
Modified
Nov 10, 2026, 4:28 PM