CVE-2026-78275
Received Received - Intake

Arbitrary File Deletion in Fluent Boards Pro <= 2.0.11

Publication date: 2026-08-27

Last updated on: 2026-08-27

Assigner: Patchstack

Description
Editor Arbitrary File Deletion in Fluent Boards Pro <= 2.0.11 versions.

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Meta Information

Published
2026-08-27
Last Modified
2026-08-27
Generated
2026-08-27
AI Q&A
2026-08-27
EPSS Evaluated
N/A
NVD
CVE-2026-78275
EUVD
EUVD-2026-66938

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
patchstack fluent_boards_pro to 2.0.11 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

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Executive Summary

The vulnerability CVE-2026-78275 is an arbitrary file deletion flaw in the WordPress Fluent Boards Pro plugin versions 2.0.11 and below. It allows attackers to delete critical files on a website, potentially causing it to break.

Detection Guidance

To detect this vulnerability, check if your Fluent Boards Pro plugin version is 2.0.11 or below. Use the WordPress admin panel to view the plugin version or run a server command like 'wp plugin list' if using WP-CLI. If the version is outdated, update to 2.0.12 immediately.

Impact Analysis

This vulnerability can impact you by allowing attackers to delete important files on your website, which may disrupt its functionality or cause data loss. Websites of any size or popularity are at risk if they use the vulnerable plugin version.

Compliance Impact

This vulnerability could lead to unauthorized file deletion, potentially compromising sensitive data storage and access controls. For GDPR, it may violate Article 32 (security of processing) if personal data is deleted or exposed. For HIPAA, it could breach the Integrity standard (45 CFR § 164.312(c)(1)) by allowing unauthorized modification or deletion of protected health information.

Mitigation Strategies

Update the Fluent Boards Pro plugin to version 2.0.12 or later immediately to patch the vulnerability. Alternatively, apply a mitigation rule from Patchstack to prevent exploitation.

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