Security Advisory

CVE-2021-32764

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-07-15 20:40:13

Last updated 2024-08-03 23:33:56

Assigner GitHub_M

State PUBLISHED

Description

Discourse is an open-source discussion platform. In Discourse versions 2.7.5 and prior, parsing and rendering of YouTube Oneboxes can be susceptible to XSS attacks. This vulnerability only affects sites which have modified or disabled Discourses default Content Security Policy. The issue is patched in `stable` version 2.7.6, `beta` version 2.8.0.beta3, and `tests-passed` version 2.8.0.beta3. As a workaround, ensure that the Content Security Policy is enabled, and has not been modified in a way which would make it more vulnerable to XSS attacks.

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