BIT-discourse-2025-48954

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Import Source
https://github.com/bitnami/vulndb/tree/main/data/discourse/BIT-discourse-2025-48954.json
JSON Data
https://api.osv.dev/v1/vulns/BIT-discourse-2025-48954
Aliases
Published
2025-07-01T17:44:46Z
Modified
2026-09-10T16:00:32Z
Summary
Discourse vulnerable to XSS via user-provided query parameter in oauth failure flow
Details

Discourse is an open-source discussion platform. Versions prior to 3.5.0 are vulnerable to cross-site scripting when the content security policy isn't enabled when using social logins. Version 3.5.0 patches the issue. As a workaround, have the content security policy enabled.

Database specific 
{
    "cpes": [
        "cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*"
    ],
    "severity": "High"
}
References

Affected packages

Bitnami / discourse

Package

Name
discourse
Purl
pkg:bitnami/discourse

Severity

  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N CVSS Calculator

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.5.0

Database specific

source 
"https://github.com/bitnami/vulndb/tree/main/data/discourse/BIT-discourse-2025-48954.json"