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CVE-2023-47119

HTML injection in oneboxed links

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.1.3, 3.2.0.beta3
1 proof of concept on GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

Discourse is an open source platform for community discussion. Prior to version 3.1.3 of the `stable` branch and version 3.2.0.beta3 of the `beta` and `tests-passed` branches, some links can inject arbitrary HTML tags when rendered through our Onebox engine. The issue is patched in version 3.1.3 of the `stable` branch and version 3.2.0.beta3 of the `beta` and `tests-passed` branches. There are no known workarounds.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • discourse discourse

    fixed in 3.1.3; From 3.2.0.beta0 · fixed in 3.2.0.beta3

References 4

GitHub · discourse/discourse

GitHub · BaadMaro/CVE-2023-47119