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

Wordfence Intelligence > Vulnerability Database > 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

6.4

Missing Authorization

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

CVE	CVE-2025-13866
CVSS	6.4 (Medium)
Publicly Published	December 11, 2025
Last Updated	July 11, 2026
Researcher	kr0d

Description

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.

References

plugins.trac.wordpress.org

Vulnerability Details for Flow-Flow Social Streams

Flow-Flow Social Streams

Software Type	Plugin
Software Slug	flow-flow-social-streams (view on wordpress.org)
Patched?	Yes
Remediation	Update to version 5.0.1, or a newer patched version
Affected Version	3.0.0 - 4.7.5
Patched Version	5.0.1

Recent vulnerabilities in Flow-Flow Social Streams

Flow-Flow Social Feed Stream <= 3.0.71 - Cross-Site Scripting

6.1

CVE ID Unknown

Nov 5, 2018

Researchers:

#	Title	CVE ID	CVSS	Researchers	Date
1	Flow-Flow Social Feed Stream <= 3.0.71 - Cross-Site Scripting		6.1		November 5, 2018

View more vulnerabilities in this software package View more vulnerabilities

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