WordPress security changelog
CRITICAL CVE-2026-42758 Deferred

WebinarIgnition: Privilege escalation or authentication bypass

WebinarIgnition is affected by privilege escalation or authentication bypass. Exposure depends on how the affected operation is made reachable by the site. A successful request can grant permissions or access that the caller should not possess. The published affected range is <= 4.08.253.

CVE / CNA score 9.8 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
WebinarIgnition
Plugin slug
webinar-ignition
Affected
<= 4.08.253
Safe version
4.08.253
Published
May 27, 2026
Weakness
CWE-266 — Incorrect Privilege Assignment

This CVE was published May 27, 2026 and is one of 10 known issues for this plugin.

Update, patch or deactivate.

Update WebinarIgnition to 4.08.253 or later, or disable and remove it until a fixed version is available.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

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.

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

Primary and upstream sources