WordPress FluentBoards plugin <= 1.47 - PHP Object Injection Vulnerability
Priority MEDIUM 50CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.
Summary
Deserialization of Untrusted Data vulnerability in Mahmudul Hasan Arif FluentBoards fluent-boards allows Object Injection.This issue affects FluentBoards: from n/a through <= 1.47.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00537 45th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| Mahmudul Hasan Arif | FluentBoards | up to 1.47 | — | No fix listed | CNA |
- FluentBoards VendorMahmudul Hasan Arif Affected up to 1.47 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-39551
- 2026-10-03 Alias added: GHSA-4wcc-xwq3-8v2h
References
More Mahmudul Hasan Arif vulnerabilities
- TI-2026-29452 WordPress FluentBoards plugin <= 1.91.2 - Insecure Direct Object References (IDOR) vulnerability CVSS 3.1HIGH 8.1
- TI-2025-39808 WordPress WP Social Ninja plugin <= 3.20.1 - Broken Access Control vulnerability CVSS 3.1MEDIUM 6.5
- TI-2026-63883 WordPress FluentBoards plugin <= 2.0.12 - Privilege Escalation vulnerability CVSS 3.1MEDIUM 6.3
- TI-2026-46691 WordPress WP Social Ninja plugin <= 4.3.0 - Sensitive Data Exposure vulnerability CVSS 3.1MEDIUM 5.3
- TI-2025-31947 WordPress Enhanced Blocks – Page Builder Blocks for Gutenberg plugin <= 1.4.1 - Broken Access Control Vulnerability CVSS 3.1MEDIUM 6.5
- TI-2026-19801 WordPress FluentBoards plugin <= 1.91.1 - Broken Access Control vulnerability CVSS 3.1MEDIUM 5.4
Sources
- CVE-2025-39551 · CVE Program
- CVE-2025-39551 · NVD
- FIRST EPSS
- GHSA-4wcc-xwq3-8v2h · 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