Security readout for executives and security teams
Plain-English summary
CVE-2026-24561 is a broken access control issue in the WordPress FluentBoards plugin through version 1.91.1. A logged-in user may be able to perform actions that should require stronger authorization. The published severity is medium, with potential limited integrity and availability impact.
Executive priority
Treat this as a timely remediation item, not an emergency, unless the plugin is exposed to many untrusted logged-in users. Security teams should identify affected WordPress sites, monitor vendor guidance, and update or disable the plugin when practical.
Technical view
The CVE describes missing authorization in Mahmudul Hasan Arif FluentBoards, package fluent-boards, affecting versions up to and including 1.91.1. CVSS 3.1 is 5.4: network exploitable, low complexity, low privileges required, no user interaction, unchanged scope, no confidentiality impact, low integrity and availability impact. CWE-862 is assigned.
Likely exposure
Exposure is limited to WordPress sites running the FluentBoards plugin at version 1.91.1 or earlier, especially where untrusted or lower-privileged users can authenticate. The CVE record lists default status as unaffected but explicitly identifies versions through 1.91.1 as affected.
Exploitation context
No CISA KEV listing is present in the provided data, and the sources do not state active exploitation. The vulnerability requires an authenticated attacker, reducing exposure compared with unauthenticated WordPress plugin bugs. Impact depends on what unauthorized actions FluentBoards permits in the affected deployment.
Researcher notes
The public record is sparse. It identifies missing authorization but does not describe the affected endpoint, action, proof-of-concept, exploitation in the wild, or a named fixed version. Avoid assuming exploitability details beyond authenticated, network-accessible, low-complexity access indicated by CVSS.
Mitigation direction
- Inventory WordPress sites for the FluentBoards plugin and record installed versions.
- Prioritize sites with public registration or many low-privileged users.
- If running version 1.91.1 or earlier, check vendor and Patchstack guidance for a fixed release.
- Update when a vendor-supported fixed version is available.
- If no fix is available, consider disabling the plugin where business impact allows.
- Restrict account creation and remove unnecessary low-privileged users.
Validation and detection
- Confirm whether FluentBoards is installed on each WordPress instance.
- Verify the installed FluentBoards version is above 1.91.1 or otherwise vendor-confirmed unaffected.
- Review WordPress user roles and remove accounts that do not need access.
- Check application logs for unusual FluentBoards actions by low-privileged users.
- Document compensating controls if the plugin cannot be updated or disabled.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-24561 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L2.82.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.