Privilege escalation in Pixelgrade Backstage – Customizer Demo Access

CVE-2026-9842

The Backstage - Customizer Demo Access plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.4.2. This is due to the plugin assigning the `manage_options` capability to the `backstage_customizer…

Vulnerability class: Privilege Escalation

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-9842?
CVE-2026-9842 is a high-severity vulnerability in Pixelgrade Backstage – Customizer Demo Access, classified under Improper Privilege Management. CVSS score: 7.5/10. Published 2026-07-08.
How severe is CVE-2026-9842?
High severity. CVSS v3 base score is 7.5 out of 10.