Flow-Flow Social Feed Stream 3.0.0 - 4.7.5 - Missing Authorization to Authenticated (Subscriber+) Stored Cross-Site Scripting via flow_flow_social_auth AJAX action

2025-12-11 15:12

kr0d

Strategic Overview

Status

Patched in 5.0.1

Affected PluginFlow-Flow Social Streams

Affected Version3.0.0 – 4.7.5

CVSS6.4Medium

CVECVE-2025-13866

View all Flow-Flow Social Streams vulnerabilities

Vulnerability 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.

Technical Analysis

REMEDIATION: Update to version 5.0.1, or a newer patched version --- IDENTIFIER: CWE-862 (Missing Authorization) The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

External References

https://www.cve.org/CVERecord?id=CVE-2025-13866 https://www.wordfence.com/threat-intel/vulnerabilities/id/065d01b6-30e0-4bc8-bd70-25996c2df879

CVSS Vector

6.4

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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