dbcve.org
Incorrect Privilege AssignmentWeakness · CWE-266

CVE-2026-42758

CRITICAL · 9.8 CVSS v3.1 Published 2026-05-27
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Incorrect Privilege Assignment vulnerability in Saleswonder Team: Tobias WebinarIgnition webinar-ignition allows Privilege Escalation.This issue affects WebinarIgnition: from n/a through < 4.08.253.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

The WebinarIgnition WordPress plugin versions before 4.08.253 contains an Incorrect Privilege Assignment vulnerability that allows authenticated users to escalate their privileges beyond what they should have, likely enabling unauthorized access to administrative functions or sensitive webinar management features.

MitigationUpdate WebinarIgnition to version 4.08.253 or later to remediate the privilege escalation vulnerability. If immediate update is not possible, restrict user registration and review existing user role assignments.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Confirm WebinarIgnition plugin is installed
    Navigate to WordPress admin dashboard > Plugins and locate WebinarIgnition in the installed plugins list
    Affected if WebinarIgnition appears in the plugins list
  2. Determine installed version
    In WordPress admin > Plugins > WebinarIgnition, click to view the plugin details and note the version number displayed
    Affected if A version number is visible and is below 4.08.253
  3. Verify user role configuration
    Navigate to WordPress admin > Users and review the role assignments for all non-administrator accounts, particularly checking if any users have access to webinar management features they should not have
    Affected if Non-administrator users possess elevated privileges or access to administrative functions beyond their intended role

The environment is affected if WebinarIgnition plugin version is below 4.08.253 and authenticated non-administrator users have privileges beyond what they should have.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Update WebinarIgnition to version 4.08.253 or later to remediate the privilege escalation vulnerability. If immediate update is not possible, restrict user registration and review existing user role assignments.

Recommended fix Moderate confidence

Version 4.08.253 or later

  1. Log in to your WordPress admin dashboard
  2. Navigate to Plugins > Installed Plugins
  3. Find WebinarIgnition in the plugin list
  4. Check if the current version is less than 4.08.253
  5. If vulnerable, click 'Update Now' to upgrade to the latest version
  6. Verify the update completed successfully and the version is now 4.08.253 or higher

Generated from the published advisory — verify against the referenced sources before acting.

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation2.0 h
  • Testing6.0 h
  • Review / QA3.0 h
15.0 hours of engineering $2,600
Get help mitigating

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,160.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2026-42758 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

Get it on GitHub Scan in the browser

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-42758 in production — separate from our analysis above.

No notes yet

Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.

What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data