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CVE-2022-46148

Status: ModifiedMedium (5.4)—

Discourse is an open-source messaging platform. In versions 2.8.10 and prior on the `stable` branch and versions 2.9.0.beta11 and prior on the `beta` and `tests-passed` branches, users composing malicious messages and navigating to drafts page could self-XSS. This vulnerability can lead to a full XSS on sites which have modified or disabled Discourse’s default Content Security Policy. This issue is patched in the latest stable, beta and tests-passed versions of Discourse.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Discourse — Discourse

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2022-46148",
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          "version": "2.0.3",
          "timestamp": "2025-04-23T15:46:22.564608Z"
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      "description": [
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          "value": "CWE-79"
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      "value": "Discourse is an open-source messaging platform. In versions 2.8.10 and prior on the `stable` branch and versions 2.9.0.beta11 and prior on the `beta` and `tests-passed` branches, users composing malicious messages and navigating to drafts page could self-XSS. This vulnerability can lead to a full XSS on sites which have modified or disabled Discourse’s default Content Security Policy. This issue is patched in the latest stable, beta and tests-passed versions of Discourse."
    },
    {
      "lang": "es",
      "value": "Discourse es una plataforma de mensajería de código abierto. En las versiones 2.8.10 y anteriores en la rama \"stable\" y en las versiones 2.9.0.beta11 y anteriores en las ramas \"beta\" y \"tests-passed\", los usuarios que redactaban mensajes maliciosos y navegaban a la página de borradores podían realizado un auto-XSS. Esta vulnerabilidad puede provocar un XSS completo en sitios que han modificado o deshabilitado la Política de Seguridad de Contenido predeterminada de Discourse. Este problema está solucionado en las últimas versiones stable, beta y tests-passed de Discourse."
    }
  ],
  "lastModified": "2026-06-17T05:11:18.270",
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