FluentBoards < 2.0.15 - Board Member+ Comment Author Spoofing via 'comment_by' Parameter
Priority LOW 18CWE-290Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-290.
Summary
The FluentBoards WordPress plugin before 2.0.15 does not verify that a board member submitting a comment is the user the comment is attributed to, allowing any board member to post comments that appear to be authored by another user, including administrators.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00255 17th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed FluentBoards (Unknown): 2.0.15
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | FluentBoards | before 2.0.15 | 2.0.15 | Patch available | CNA |
- FluentBoards VendorUnknown Affected before 2.0.15 Fixed in 2.0.15 Patch available CNA
Remediation
- Fix · CNA FluentBoards (Unknown) Fixed in 2.0.15
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
FluentBoards 2.0.15
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2026-58583 FluentBoards < 2.0.15 - Subscriber+ Private Board Membership Disclosure via IDORPriority LOW 20
- TI-2026-60460 FluentBoards < 2.0.15 - Board Member+ Board Membership and Public Access ModificationPriority LOW 18
Timeline
- 2026-10-02 Threatist record created from CVE-2026-89327
- 2026-10-03 Alias added: GHSA-44j7-p38f-pr4v
References
Sources
- CVE-2026-89327 · CVE Program
- CVE-2026-89327 · NVD
- FIRST EPSS
- GHSA-44j7-p38f-pr4v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences