CVE-2026-78276: CWE-502 Deserialization of Untrusted Data in WP Manage Ninja Fluent Boards Pro
Description
CVE-2026-78276 is a high-severity vulnerability in WP Manage Ninja's Fluent Boards Pro plugin, affecting versions up to and including 2.0.11. It involves PHP object injection due to deserialization of untrusted data, classified under CWE-502. This flaw can lead to complete compromise of confidentiality, integrity, and availability if exploited. No official patch or remediation guidance is currently available from the vendor.
CVSS v3.1
Score 7.2high
Affected software
WP Manage Ninja
Fluent Boards Pro
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-78276) in Fluent Boards Pro (<= 2.0.11) allows an attacker with high privileges to perform PHP object injection via deserialization of untrusted data. The vulnerability is categorized as CWE-502 and has a CVSS 3.1 base score of 7.2, indicating high impact with network attack vector, low attack complexity, and no user interaction required. The flaw can lead to full compromise of the affected system's confidentiality, integrity, and availability. No patch or official remediation level has been published as of the data provided.
Potential Impact
Successful exploitation can result in complete compromise of the affected system, including unauthorized code execution and potential system takeover. The vulnerability impacts confidentiality, integrity, and availability, making it a critical risk for affected installations.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to trusted users with high privileges and monitor for suspicious activity related to deserialization processes in Fluent Boards Pro.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-08-24T07:37:56.725Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a9001f4acd9273b49109300
Added to database: 08/27/2026, 09:23:00 UTC
Last enriched: 09/09/2026, 12:22:26 UTC
Last updated: 10/11/2026, 18:48:22 UTC
Views: 58
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