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WP Dummy Content Generator EUVDEUVD-2026-92394

| CVE-2026-39763 MEDIUM
Missing Authorization (CWE-862)
2026-10-05 Patchstack GHSA-xpgm-xf59-8f3q
4.3
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
    Authenticate as low-privilege WordPress user
  2. Exploit
    Send request to unprotected plugin endpoint
  3. Execution
    Bypass missing authorization check
  4. Impact
    Perform unauthorized content/setting change

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 an authenticated session on the target WordPress site: the CVSS vector specifies PR:L, so the attacker must hold at least a low-privilege account (e.g., subscriber/contributor) rather than being fully unauthenticated. The vulnerability stems from the plugin failing to enforce an authorization/capability check (CWE-862, broken access control) on one or more of its actions in WP Dummy Content Generator versions up to and including 4.0.0. Limiting factors: the site must have this specific plugin installed and active, the attacker needs valid credentials for a registrable low-privilege role (so sites that disable open registration raise the bar), no user interaction is required (UI:N), and the impact is confined to limited integrity (C:N/I:L/A:N) - no data disclosure or denial of service.

Impact

This is a low-to-moderate priority issue, not a high-severity emergency. The CVSS 3.1 base score is 4.3 (Medium) with vector AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N, meaning network-reachable and low-complexity but requiring at least low-level authenticated privileges (PR:L) and yielding only a limited integrity impact with no confidentiality or availability consequence. No EPSS score was provided in the input, so exploitation probability cannot be quantified. The CVE is NOT listed in CISA KEV and no public exploit code is referenced, so there is no public exploit identified at time of analysis. The signals are internally consistent: a broken-access-control (CWE-862) flaw in a minor WordPress utility plugin, reported by Patchstack, with modest impact. The realistic risk is that an authenticated low-privilege user (e.g., a subscriber or contributor) could perform an action they should not be authorized for, affecting data integrity in a limited way. There is no conflicting data, but note that EPSS and any POC status are simply absent rather than confirmed-negative.

Exploit ScenarioDerived

An attacker who already holds a low-privilege authenticated account (such as a subscriber) on a WordPress site running WP Dummy Content Generator ≤4.0.0 sends a request to a plugin endpoint that fails to verify the caller's authorization. Because the missing authorization check is network-reachable and low-complexity, the attacker can invoke privileged plugin functionality to modify content or settings they should not control. No public exploit code is identified at time of analysis, and the impact is limited to integrity (C:N/I:L/A:N).

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 05, 2026

Missing authorization checks in the WordPress plugin WP Dummy Content Generator (all versions through 4.0.0) let an authenticated low-privilege user - a subscriber or contributor, per the CVSS vector's PR:L - invoke plugin functionality that should be reserved for higher-privileged roles, producing a limited integrity impact (CVSS 3.1 score of 4.3, vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N, CWE-862). Exploitation requires the plugin to be installed and active and the attacker to hold valid credentials for a registrable low-privilege account, with no user interaction needed, and the effect is confined to modification of content the plugin manages rather than disclosure or denial of service. There is no public exploit identified at time of analysis and the issue is not confirmed actively exploited (no CISA KEV listing); no EPSS score was supplied in the source data, so the residual risk is low-to-moderate and is highest on sites that permit open self-registration.

RemediationAI

No vendor-released patch is identified in the supplied data and no fixed version number is given, so the immediate step is to verify the plugin's status against the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/wp-dummy-content-generator/vulnerability/wordpress-wp-dummy-content-generator-plugin-4-0-0-broken-access-control-vulnerability?_s_id=cve) and the plugin's WordPress.org page, and to upgrade to the first release published after 4.0.0 as soon as it appears; do not invent or assume a version number. If the plugin is not actively generating test content, deactivate and delete it - that removes the attack surface entirely with no operational downside beyond loss of the content-generation tooling. Where the plugin must stay in place, compensating controls should target the low-privilege prerequisite: disable open self-registration and audit existing subscriber/contributor accounts so untrusted users cannot obtain the PR:L foothold, and tighten role capabilities so that only administrators hold the capabilities the plugin's handlers rely on (trade-off: legitimate editors/authors may lose the ability to use the plugin). If a WAF or reverse proxy is available, restrict or log POST requests to /wp-admin/admin-ajax.php and /wp-admin/admin-post.php carrying the plugin's action parameters from low-privileged sessions (trade-off: tuning effort and potential breakage of other AJAX features). Finally, monitor the site's posts, pages, users and taxonomy for unexpected bulk creation, since the assessed impact is limited to integrity.

Affected VersionsENISA

WP Dummy Content Generator 0 ≤4.0.0

Affected Packages

euvd wp_dummy_content_generator 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

WP Dummy Content Generator is a WordPress plugin (vendor: Deepak Anand) used to programmatically fabricate posts, pages, users and taxonomy terms for testing or content seeding; its privileged actions are normally reached through WordPress admin-ajax.php or admin-post.php handlers and are expected to be gated by capability checks such as current_user_can() plus anti-CSRF nonce verification. CVE-2026-39763 is an instance of CWE-862 (Missing Authorization): one or more of those handlers performs its work without validating that the calling user actually holds the required capability, so the authorization decision is effectively delegated to the attacker's role rather than the plugin's policy. The CPE string cpe:2.3:a:deepak_anand:wp_dummy_content_generator:*:*:*:*:*:*:*:* uses a wildcard version, and the advisory states the flaw affects releases 'from n/a through 4.0.0', indicating the check was never enforced rather than regressed in a single release. Note the tension between the source tag 'Authentication Bypass' and the authoritative vector: PR:L means the attacker must already be logged in, so this is more precisely a broken access control / privilege-boundary escalation within the plugin rather than anonymous authentication bypass, and the single-impact vector (C:N/I:L/A:N) restricts consequences to content integrity - no read of sensitive data, no availability loss.

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Severity by source

Vendor (Patchstack) PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
vuln.today AI 4.3 MEDIUM

Missing authorization reachable over the network with low-privilege authenticated access (PR:L), no user interaction, yielding limited integrity impact only and no confidentiality or availability loss.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/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
None
Integrity
Low
Availability
None

DescriptionCVE.org

Missing Authorization vulnerability in Deepak Anand WP Dummy Content Generator wp-dummy-content-generator allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP Dummy Content Generator: from n/a through 4.0.0.

Threat Intelligence Overview

EPSS Score
0.2%
Top 96% exploitable
Prevalence
Low
niche WordPress developer utility plugin, limited install base
Data Quality
6 sources
Confidence: High

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

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
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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