CVE-2026-121492
Fiber Admin < 4.0.1 - Unauthenticated Arbitrary Post and Term Order Modification via fiad_cpo_update and fiad_cpo_tax_update
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Fiber Admin < 4.0.1 - Unauthenticated Arbitrary Post and Term Order Modification via fiad_cpo_update and fiad_cpo_tax_update
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.
- Record
CVE-2026-121492- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-862
- Updated
- 2026-11-07
EUVDEUVD-2026-118944
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.
- Record
EUVD-2026-118944- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-07
GitHub AdvisoriesGHSA-cgwq-34w7-7rpv
The Fiber Admin WordPress plugin before 4.0.1 does not have authorisation checks in some of its...
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.
- Record
GHSA-cgwq-34w7-7rpv- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-862
- Updated
- 2026-11-07
NVD
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.
- Record
CVE-2026-121492- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-862
- Updated
- 2026-11-07
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| cwes, severity | CVE List | |
| severity | EUVD, NVD | |
| published | EUVD | |
| published | EUVD | |
| aliases, published | EUVD | |
| aliases, references | GitHub Advisories | |
| first indexed | CVE List |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-121492 is a medium vulnerability (CVSS 5.3) in Unknown Fiber Admin, published November 7, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 3rd percentile. No source names a fixed version.