---
id: CVE-2025-13866
title: >-
  The Flow-Flow Social Feed Stream plugin for WordPress is vulnerable to
  unauthorized modification of data due to a missing capability check on the
  flow_flow_social_auth AJAX action in versions 3.0.0 to 4.7.5
summary: >-
  The Flow-Flow Social Feed Stream plugin for WordPress is vulnerable to
  unauthorized modification of data due to a missing capability check on the
  flow_flow_social_auth AJAX action in versions 3.0.0 to 4.7.5. This makes it
  possible for au…
severity: medium
cvss: 6.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'
cwe:
  - CWE-862
published: '2025-12-12'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T20:10:01.970'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-13866'
references:
  - url: >-
      https://plugins.trac.wordpress.org/browser/flow-flow-social-streams/trunk/includes/FlowFlowActivator.php#L224
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/flow-flow-social-streams/trunk/includes/db/FFDBManager.php#L24
    label: security@wordfence.com
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/065d01b6-30e0-4bc8-bd70-25996c2df879?source=cve
    label: security@wordfence.com
tags:
  - nvd
epss: 0.00249
epssPercentile: 0.14772
ingestedAt: '2026-10-07T20:46:46.877Z'
---

## Overview

The Flow-Flow Social Feed Stream plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the flow_flow_social_auth AJAX action in versions 3.0.0 to 4.7.5. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify plugin settings and store arbitrary JavaScript that executes whenever the plugin settings page is viewed.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.