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WebinarIgnition – Live, Automated & Evergreen Webinar System also for WooCommerce < 4.08.253 — Unauthenticated Privilege Escalation

CVE-2026-42758Published · Updated

Action summary

Affected: <4.08.253Update to 4.08.253 or newer

All remediation steps
Watch plugin
Severity
Critical9.8
CVSS
9.8
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:H Confidentiality
High
I:H Integrity
High
A:H Availability
High
Weakness
CWE-266 Incorrect Privilege Assignment
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

WebinarIgnition – AI & MCP Webinar Builder on Your WordPress: Live, Automated & Evergreen, WooCommerce Upsells Inside webinar-ignition

  1. Affected< 4.08.253
  2. Patched in4.08.253

Update to 4.08.253 or newer.

You are affected if you run < 4.08.253. Version 4.08.253 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under WebinarIgnition – AI & MCP Webinar Builder on Your WordPress: Live, Automated & Evergreen, WooCommerce Upsells Inside.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 4.08.253, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch WebinarIgnition – AI & MCP Webinar Builder on Your WordPress: Live, Automated & Evergreen, WooCommerce Upsells Inside to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to hhhai.

The WebinarIgnition – Live, Automated & Evergreen Webinar System also for WooCommerce plugin for WordPress is vulnerable to Privilege Escalation in all versions up to 4.08.253 (exclusive). This makes it possible for unauthenticated attackers to elevate their privileges to that of a higher level user.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in WebinarIgnition – AI & MCP Webinar Builder on Your WordPress: Live, Automated & Evergreen, WooCommerce Upsells Inside

All 12
More vulnerabilities in WebinarIgnition – AI & MCP Webinar Builder on Your WordPress: Live, Automated & Evergreen, WooCommerce Upsells Inside
SeverityVulnerabilityCVEPublished
High8.1Authenticated (Subscriber+) Arbitrary File Deletion
<4.08.253Update to 4.08.253
CVE-2026-42757
High7.5Unauthenticated SQL Injection
<4.09.86Update to 4.09.86
CVE-2026-40797
Medium4.3Missing Authorization
≤4.06.04Update to 4.06.05
CVE-2025-60088
Critical9.8Unauthenticated Login Token Generation to Authentication Bypass
≤4.03.32Update to 4.03.33
CVE-2025-6441
Medium4.3Cross-Site Request Forgery
≤3.05.8Update to 3.06.0
CVE-2024-32445

Timeline

  1. CVE published

    Severity critical, CVSS 9.8

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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