CVE-2026-9842 (GCVE-0-2026-9842)
Vulnerability from cvelistv5 – Published: 2026-07-08 04:30 – Updated: 2026-07-08 13:01
VLAI
EPSS
VEX
Title
Backstage <= 1.4.2 - Unauthenticated Privilege Escalation via Permissive Demo Role Capabilities
Summary
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_user` demo role, which is more permissive than necessary for Customizer-only demo access. This makes it possible for unauthenticated attackers to navigate beyond the Customizer and update arbitrary WordPress options such as `default_role`, leading to privilege escalation.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-08 13:00 UTC
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| pixelgrade | Backstage – Customizer Demo Access |
Affected:
0 , ≤ 1.4.2
(semver)
|
guessed |
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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