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Medium severity5.4NVD Advisory· Published Aug 19, 2025· Updated Jun 17, 2026

CVE-2025-54411

CVE-2025-54411

Description

Discourse is an open-source discussion platform. Welcome banner user name string for logged in users can be vulnerable to XSS attacks, which affect the user themselves or an admin impersonating them. Admins can temporarily alter the welcome_banner.header.logged_in_members site text to remove the preferred_display_name placeholder, or not impersonate any users for the time being. This vulnerability is fixed in 3.5.0.beta8.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

11
  • Discourse (software)/Discourse10 versions
    cpe:2.3:a:discourse:discourse:*:*:*:*:beta:*:*:*+ 9 more
    • cpe:2.3:a:discourse:discourse:*:*:*:*:beta:*:*:*range: <3.5.0
    • cpe:2.3:a:discourse:discourse:3.5.0:beta1:*:*:beta:*:*:*
    • cpe:2.3:a:discourse:discourse:3.5.0:beta2:*:*:beta:*:*:*
    • cpe:2.3:a:discourse:discourse:3.5.0:beta3:*:*:beta:*:*:*
    • cpe:2.3:a:discourse:discourse:3.5.0:beta4:*:*:beta:*:*:*
    • cpe:2.3:a:discourse:discourse:3.5.0:beta5:*:*:beta:*:*:*
    • cpe:2.3:a:discourse:discourse:3.5.0:beta6:*:*:beta:*:*:*
    • cpe:2.3:a:discourse:discourse:3.5.0:beta7:*:*:beta:*:*:*
    • (no CPE)range: >=3.5.0.beta8
    • (no CPE)range: < 3.5.0.beta8
  • osv-coords
    pkg:bitnami/discourse
    Range: < 3.5.0

Patches

Vulnerability mechanics

References

2

News mentions

0

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