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Fluent CRM CVE-2026-62141

| EUVDEUVD-2026-114129 MEDIUM
Missing Authorization (CWE-862)
2026-10-30 Patchstack GHSA-32fq-gc3v-7mj2
5.4
CVSS 3.1 · Vendor: Patchstack
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain low-privilege account on site
  2. Exploit
    Send request to Fluent CRM endpoint
  3. Execution
    Bypass missing authorization check
  4. Impact
    Access or alter restricted CRM data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization checks on every request
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires a valid authenticated account on the target WordPress site (CVSS PR:L), so the attacker must already be a registered user; it is not exploitable by fully unauthenticated visitors. The flaw lies in Fluent CRM's access-control enforcement (missing authorization, CWE-862) rather than in a specific opt-in feature, so default installations of versions up to 3.2.6 appear affected. No user interaction is needed (UI:N). The available sources do not name the exact endpoint, parameter, or role boundary that is crossed, so the specific action a low-privilege user can perform is not described in the input; the requirement to hold a valid low-privilege account is the principal factor limiting real-world exploitation.

Impact

This is a moderate, authentication-gated access-control flaw rather than a top-tier emergency. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N, base 5.4) describes a network-reachable, low-complexity issue requiring low-level privileges (PR:L) - i.e. an authenticated account - with limited confidentiality and integrity impact and no availability impact. CWE-862 (Missing Authorization) aligns with the description of incorrectly configured access-control levels, meaning an authenticated low-privilege user can likely reach functionality or data intended for higher roles. No EPSS score, KEV listing, or SSVC exploitation metrics were provided in the input, so probabilistic and active-exploitation signals are absent and cannot be weighed. The only reference is the Patchstack advisory that reported the issue; no working exploit code is indicated. The vuln.today decision label is 'this_month', consistent with a real-but-not-urgent priority. Net: a genuine broken-access-control bug worth patching in a normal cycle, not a drop-everything event, with the main unknowns being real-world exploitation probability (EPSS absent) and the exact privilege level and endpoint required.

Exploit ScenarioDerived

An attacker who already holds a low-privilege authenticated account on a WordPress site running Fluent CRM up to 3.2.6 (for example a subscriber or other registered user) sends requests to a plugin endpoint that fails to properly enforce authorization. Because of the missing authorization check, they are able to access or modify CRM data or actions that should be restricted to higher-privileged roles. No public working exploit code is indicated in the sources, and exploitation requires a valid account, which limits opportunistic abuse.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 30, 2026

Missing authorization (CWE-862) in the WordPress plugin Fluent CRM through version 3.2.6 lets a low-privilege authenticated user reach functionality or data they should not be permitted to access, with limited confidentiality and integrity impact (CVSS 5.4). Exploitation requires a valid account on the target WordPress site (PR:L) and no user interaction (UI:N), so fully unauthenticated visitors cannot trigger it. No public exploit code and no confirmed active exploitation are indicated in the available sources; the specific endpoint or role boundary crossed is not described in the available sources. This is a moderate, authentication-gated access-control flaw rather than a top-tier emergency, prioritized as this_month.

RemediationAI

The supplied data does not identify a fixed version, so no vendor-released patch version can be cited; check the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/fluent-crm/vulnerability/wordpress-fluent-crm-plugin-3-2-6-broken-access-control-vulnerability?_s_id=cve and the plugin's WordPress.org release feed for a release newer than 3.2.6 and update to it when published. Until a fix is confirmed, the principal compensating control is to restrict who can hold an account on the affected site: audit and prune low-privilege WordPress users, tighten registration settings so self-service signups are disabled or require approval, and remove subscriber-level accounts that do not need CRM access, noting that this does not protect sites that legitimately require broad user bases. If Fluent CRM functionality is not in active use, deactivate and remove the plugin, which eliminates the exposure entirely at the cost of losing CRM data workflows. Because exploitation requires a valid authenticated account (PR:L) and no user interaction, monitoring authenticated users' actions within the plugin is more useful than perimeter blocking, and site-level WAF rules are of limited value against an authorized-session flaw.

Affected VersionsENISA

Fluent CRM 0 ≤3.2.6

Affected Packages

euvd fluent_crm no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The affected component is Fluent CRM, a WordPress plugin published by WP ManageNinja LLC that provides CRM, email marketing and automation functionality on top of WordPress, delivered as a plugin whose CPE is cpe:2.3:a:wp_manageninja_llc:fluent_crm. The root cause class is CWE-862 (Missing Authorization): the plugin fails to verify that the requesting user holds the capability required for a given action, so access-control enforcement is incorrectly configured and a low-privileged but legitimately authenticated account can perform operations above its intended role boundary. The CVSS 3.1 vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N describes network reachability with low attack complexity, a low-privileged authenticated actor, no user interaction, unchanged scope, and limited confidentiality and integrity impact with no availability impact; these metrics describe severity, not the trigger mechanism. Because the defect sits in authorization enforcement rather than in an opt-in feature, default installations of versions up to and including 3.2.6 appear affected. The endpoint, parameter and exact role boundary that is crossed are not described in the available sources.

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Severity by source

Vendor (Patchstack) PRIMARY 5.4 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
vuln.today AI 5.4 MEDIUM

Missing authorization reachable over the network with no user interaction, but needs a valid low-privilege account (PR:L); limited read/write (C:L/I:L) and no availability impact.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

DescriptionCVE.org

Missing Authorization vulnerability in WP ManageNinja LLC Fluent CRM fluent-crm allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Fluent CRM: from n/a through 3.2.6.

Threat Intelligence Overview

EPSS Score
0.2%
Top 93% exploitable
Prevalence
Medium
popular WordPress CRM plugin, common but not on every site
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +27
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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