BIT-discourse-2023-22468

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Import Source
https://github.com/bitnami/vulndb/tree/main/data/discourse/BIT-discourse-2023-22468.json
JSON Data
https://api.osv.dev/v1/vulns/BIT-discourse-2023-22468
Aliases
Published
2024-03-06T11:01:29.175Z
Modified
2025-05-20T10:02:07.006Z
Summary
Discourse vulnerable to Cross-site Scripting in local oneboxes
Details

Discourse is an open source platform for community discussion. Versions prior to 2.8.13 (stable), 3.0.0.beta16 (beta) and 3.0.0beta16 (tests-passed), are vulnerable to cross-site Scripting. A maliciously crafted URL can be included in a post to carry out cross-site scripting attacks on sites with disabled or overly permissive CSP (Content Security Policy). Discourse's default CSP prevents this vulnerability. This vulnerability is patched in versions 2.8.13 (stable), 3.0.0.beta16 (beta) and 3.0.0beta16 (tests-passed). As a workaround, enable and/or restore your site's CSP to the default one provided with Discourse.

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

Affected packages

Bitnami / discourse

Package

Name
discourse
Purl
pkg:bitnami/discourse

Severity

  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS Calculator

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.8.13