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CVE-2023-47119

Description

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.

POC

Reference

No PoCs from references.

Github

- https://github.com/BaadMaro/BaadMaro

- https://github.com/BaadMaro/CVE-2023-47119

- https://github.com/nomi-sec/PoC-in-GitHub