CVE-2025-4202 — The Multicollab: Content Team Collaboration and Editorial

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 formats

3 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.

medium T1087.001 Privilege Escalation

WordPress Multicollab Plugin Unauthorized Comment Addition - CVE-2025-4202

Sigma YAML — free preview
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

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Indicators of Compromise

IDTypeIndicator
CVE-2025-4202 vulnerability CVE-2025-4202
CWE-862 weakness CWE-862
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedMay 16, 2026 at 16:16 UTC

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