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Backstage vulnerabilities

1 tracked advisories · slug backstage

Important: Backstage appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works

Tracked advisories

1

Latest advisory

7 July 2026

CISA KEV matches

0

In this WordPress feed

WordPress slug

backstage

Plugin

What this means for Backstage

This catalog lists 1 known advisories affecting Backstage. The most recent was published on 7 July 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.

Latest issues

  • Backstage <= 1.4.2 - Unauthenticated Privilege Escalation via Permissive Demo Role Capabilities

    May allow a lower-privilege user to perform actions reserved for administrators.

    Published 7 July 2026

Vulnerability types

  • Privilege escalation1

Authentication (inferred from titles)

  • Unauthenticated1
  • Authenticated0
  • Unspecified0

Advisory history

Known Backstage advisories published by month.

All advisories

Check whether your installed version is affected

SiteRespond Defence matches your installed Backstage version against this catalog when the Defence plugin is connected to your WordPress site.

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