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Master Addons for Elementor CVE-2026-85410

| EUVDEUVD-2026-82793 HIGH
Missing Authorization (CWE-862)
2026-09-18 Wordfence GHSA-p85g-fchr-wq24
8.1
CVSS 3.1 · Vendor: Wordfence
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Attack ChainAIDerived

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

  1. Access
    Obtain Contributor-level account
  2. Delivery
    Load edit-jltma_popup screen to harvest nonce
  3. Exploit
    Submit request with arbitrary popup_id
  4. Execution
    Bypass object-level authorization
  5. Impact
    Delete or tamper arbitrary posts

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 account with Contributor-level capabilities or above on a WordPress site running Master Addons for Elementor version 3.2.2 or earlier. The attacker must retrieve the nonce emitted on the edit-jltma_popup admin screen - accessible to Contributors precisely because the jltma_popup custom post type is registered with capability_type='post' - then supply an attacker-controlled popup_id to reach arbitrary posts. No end-user interaction is needed (UI:N). The practical limiting factor is the need for a low-privilege account, so sites that allow open/self-service registration or host multiple untrusted authors are most exposed; single-admin sites with no untrusted low-privilege users are effectively not exploitable.

Impact

This is a genuine priority for sites running the affected plugin, but not a mass-exploitation panic. The CVSS 3.1 base score of 8.1 (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H) is well-supported by the description: a network-reachable, low-complexity flaw requiring only Contributor-level authentication (PR:L) that permits permanent deletion (A:H) and metadata/title tampering (I:H) of ARBITRARY posts, with no confidentiality impact (C:N) - consistent with an authorization/IDOR class bug, not data theft. No EPSS score, no CISA KEV listing, and no public POC were provided, so exploitation status is 'no public exploit identified at time of analysis'; the absence of these signals means risk is currently potential rather than demonstrated in the wild. The single most important limiting factor is the PR:L authentication requirement - the attacker must already hold a Contributor (or higher) account, which is common on multi-author/membership blogs but not on locked-down single-admin sites. Conflict to note: the input Tag 'Authentication Bypass' contradicts the actual mechanism (CWE-862 missing authorization by an ALREADY-authenticated Contributor); this is a labeling error, not an unauthenticated bypass. Overall: treat as high-severity where untrusted Contributor accounts exist; lower practical urgency on sites with no low-privilege users.

Exploit ScenarioDerived

An attacker who registers or obtains a Contributor account on a WordPress site running Master Addons for Elementor <=3.2.2 loads the edit-jltma_popup admin screen (reachable to Contributors because the jltma_popup CPT uses capability_type='post') to harvest the required nonce, then submits requests supplying an attacker-controlled popup_id pointing at posts they do not own. Because the plugin verifies the nonce but not object-level authorization, the attacker can rewrite titles/metadata of arbitrary posts or permanently delete them site-wide. No public exploit code is identified at time of analysis, but the vulnerable code lines are publicly referenced in the plugin's trac browser.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 18, 2026

An authorization bypass in the Master Addons for Elementor WordPress plugin (all versions up to and including 3.2.2) lets any authenticated user with Contributor-level access or above rename, alter metadata on, or permanently delete arbitrary posts on the site. The flaw is a missing authorization check (CWE-862) in the plugin's popup-builder admin code: because the jltma_popup custom post type is registered with capability_type='post', Contributors can reach the edit-jltma_popup screen, harvest the nonce emitted there, and supply an attacker-controlled popup_id to reach posts they do not own. Exploitation requires an authenticated low-privilege account and no user interaction (CVSS 8.1, AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H); no public exploit code has been identified at time of analysis and there is no CISA KEV listing, so this is a genuine priority for affected sites rather than a mass-exploitation emergency - exposure concentrates on sites with open registration or multiple untrusted authors.

RemediationAI

Upgrade the Master Addons for Elementor plugin to a release newer than 3.2.2 - a vendor fix has been committed to the plugin repository in changeset 3689763 (https://plugins.trac.wordpress.org/changeset?reponame=&old=3689763%40master-addons&new=3689763%40master-addons), i.e. upstream fix available (PR/commit); the exact released patched version number is not independently confirmed in the available data, so verify the current plugin version on wordpress.org before treating the issue as closed, and confirm with the Wordfence advisory at https://www.wordfence.com/threat-intel/vulnerabilities/id/dd1fc16c-f36b-4c39-916d-36833630729e?source=cve. Until the upgrade is applied, the most effective compensating control is to eliminate the low-privilege foothold the exploit depends on: disable open/self-service user registration and rotate any Contributor-or-above accounts you do not trust, accepting the operational cost of tighter author onboarding. If the popup builder functionality is not in use, deactivate the Master Addons popup-builder module or the plugin itself - this removes the vulnerable AJAX surface entirely but will break existing popup layouts and templates on the site, so export or document them first. A WAF or request-filtering rule that blocks the plugin's popup-builder admin-ajax actions (or restricts them to Administrator roles) provides interim protection at the cost of potential false positives for legitimate editors using the popup UI. Finally, audit recent post revisions and trash/delete logs for unexplained title changes or removals, since deleted posts are not recoverable once purged and tampered metadata may otherwise go unnoticed; there is no vendor patch-independent configuration fix that restores the missing ownership check inside the plugin code.

Affected VersionsENISA

Master Addons for Elementor – Elementor Addons, Widgets, Mega Menu Builder, Popup Builder, Widget Builder & Template Kits 0 ≤3.2.2

Affected Packages

euvd master_addons_for_elementor_elementor_addons_widgets_mega_menu_builder_popup_builder_widget_builder_template_kits 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 root cause is CWE-862 (Missing Authorization) rather than a memory-safety or injection defect. Master Addons for Elementor ships a popup builder module whose administration logic lives in inc/admin/popup-builder/class-popup-admin.php; the referenced lines (127, 188, 197, 267 in trunk) cover the AJAX/nonce handling for popup operations. The plugin registers its jltma_popup custom post type with capability_type='post', which means WordPress maps the standard post capabilities onto it, granting Contributor-role users access to the edit-jltma_popup admin screen. That is the design decision that leaks the nonce: the nonce is intended as a CSRF token, not an authorization control, but here it is emitted to a screen that low-privilege users can legitimately load. With that valid nonce in hand, an attacker supplies a popup_id value that the handler never validates against the caller's ownership or capabilities, so the underlying post-manipulation operation (title/metadata update or permanent deletion) is applied to an arbitrary post ID. In short: a correct CSRF nonce plus a broken capability/ownership check on an attacker-controlled object identifier equals horizontal privilege escalation from Contributor to destructive control over any post on the site. The CPE string cpe:2.3:a:pixarlabs:master_addons_for_elementor_-_elementor_addons,_widgets,_mega_menu_builder,_popup_builder,_widget_builder_&_template_kits confirms the affected product identity as the Pixar Labs-distributed WordPress plugin. Impact is scoped to integrity and availability (C:N/I:H/A:H), consistent with content tampering and irreversible post deletion but no direct confidentiality loss.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (Wordfence) PRIMARY 8.1 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
vuln.today AI 8.1 HIGH

Network-reachable, low-complexity action needing only a Contributor account (PR:L); permanent deletion of arbitrary posts gives I:H and A:H, with no data disclosure (C:N).

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

Primary rating from Vendor (Wordfence).

CVSS VectorVendor: Wordfence

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

DescriptionCVE.org

The Master Addons for Elementor - Elementor Addons, Widgets, Mega Menu Builder, Popup Builder, Widget Builder & Template Kits plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.2.2. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with contributor-level access and above, to modify the title and metadata of arbitrary WordPress posts or permanently delete arbitrary WordPress posts by supplying an attacker-controlled popup_id. The required nonce is emitted on the edit-jltma_popup admin screen, which is accessible to Contributors because the jltma_popup custom post type is registered with capability_type='post'.

Executive ViewAI

Why It Matters

CVE-2026-85410 in Master Addons for Elementor (all versions through 3.2.2) allows an authenticated Contributor-level user or higher to rename, alter metadata on, or permanently delete arbitrary posts, and no vendor-released patch is currently available. This creates a material integrity and availability risk for WordPress sites that permit low-privilege accounts, especially those with open registration or multiple untrusted contributors, because an attacker can damage or remove business-critical content without user interaction. Leadership should treat affected sites as exposed until the plugin is disabled, access is restricted, or a vendor fix is released.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations: deactivate or remove Master Addons for Elementor (all versions up to and including 3.2.2) until a fixed release is available; if the plugin is business-critical, restrict site registration; remove or downgrade Contributor-and-above accounts that are not trusted; block access to edit-jltma_popup and popup-builder admin endpoints using WAF or security plugin rules; enable post revision tracking and regular backups; monitor for unauthorized post metadata changes or deletions; and enforce least privilege so only Administrators can manage popups.

Threat Intelligence Overview

EPSS Score
0.3%
Top 76% exploitable
Prevalence
Medium
popular Elementor addon suite, roughly 100k active installations
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 HIGH
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact
High
Technical Impact
Partial

Priority Score

40
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +40
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0
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