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CVE-2026-8713 critical

📛 Threat Title

Avada (Fusion) Builder <= 3.15.3 - Unauthenticated Arbitrary File Deletion via Form Entry Value

Category: wordpress-vulnerability Published: Source updated: First seen: Last updated: Source: Wordfence

Description

The Avada (Fusion) Builder plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the maybe_delete_files function in all versions up to, and including, 3.15.3. This makes it possible for unauthenticated attackers to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). The attack requires a published Avada form configured to save entries to the database; an unauthenticated attacker submits a path-traversal payload via the wp_ajax_nopriv_fusion_form_submit_ajax handler while also controlling the fusion_privacy_expiration_interval and privacy_expiration_action fields to force an immediate 'delete' cleanup, causing the planted entry to be automatically processed by the Fusion_Form_DB_Privacy shutdown-hook routine without any administrator interaction. Affected software — plugin: Avada (Fusion) Builder (affected: *-3.15.3). CVSS 9.1 (Critical) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Remediations (3)

  • Wordfence remediation: Avada (Fusion) Builder
    Wordfence

    Update to version 3.15.4, or a newer patched version

  • Wordfence remediation: Avada (Fusion) Builder
    Wordfence

    Update to version 3.15.4, or a newer patched version

  • Wordfence remediation: Avada (Fusion) Builder
    Wordfence

    Update to version 3.15.4, or a newer patched version

Indicators of Compromise (1)

Each indicator is enriched from the IOC database, threat-intel feed corroboration (Threat Hunt) and VirusTotal. Click one to expand.

cve CVE-2026-8713

IOC database

Type
cve
Value
CVE-2026-8713
First seen
Last seen
Attached to this threat
Appears in
1 threat
Description
Avada (Fusion) Builder <= 3.15.3 - Unauthenticated Arbitrary File Deletion via Form Entry Value

Open the full IOC page →

Threat Hunt — feed corroboration

Not present in any configured threat-intel feed.

Details From VirusTotal

No VirusTotal details cached for this IOC. Open the IOC page to query VirusTotal.

References (3)

AI Forensic Analysis

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