CVE-2025-4202 — The Multicollab: Content Team Collaboration and Editorial
CVE-2025-4202 — The Multicollab: Content Team Collaboration and Editorial Workflow plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'cf_add_comment' function in all versions up to, and including, 5.2. This makes it possible for authenti
What This Means For You
- If your environment is affected by CWE-862, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2025-4202 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
WordPress Multicollab Plugin Unauthorized Comment Addition - CVE-2025-4202
title: WordPress Multicollab Plugin Unauthorized Comment Addition - CVE-2025-4202
id: scw-2026-05-16-ai-1
status: experimental
level: medium
description: |
Detects attempts to exploit CVE-2025-4202 by identifying POST requests to '/wp-admin/admin-ajax.php' with the 'action=cf_add_comment' parameter. This indicates an attempt by an authenticated user, potentially with subscriber privileges, to add comments to arbitrary collaborations within the Multicollab plugin without proper capability checks.
author: SCW Feed Engine (AI-generated)
date: 2026-05-16
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2025-4202/
tags:
- attack.privilege_escalation
- attack.t1087.001
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/wp-admin/admin-ajax.php'
cs-method:
- 'POST'
cs-uri-query|contains:
- 'action=cf_add_comment'
selection_base:
sc-status:
- '200'
condition: selection AND selection_base
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2025-4202 | vulnerability | CVE-2025-4202 |
| CWE-862 | weakness | CWE-862 |
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 16, 2026 at 16:16 UTC |
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