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Status published
Medium
CVE-2024-37165
Discourse has an XSS via Onebox system
Vulnerability Description
Discourse is an open source discussion platform. Prior to 3.2.3 and 3.3.0.beta3, improperly sanitized Onebox data could lead to an XSS vulnerability in some situations. This vulnerability only affects Discourse instances which have disabled the default Content Security Policy. This vulnerability is fixed in 3.2.3 and 3.3.0.beta3.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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CVE-2025-68933
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CVE-2025-68666
Discourse users archives leaked to users with moderation privileges
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Affected Vendor
discourse
View all reports →Affected Software
discourse
Vulnerable Versions:
< 3.2.3, >= 3.3.0.beta1, < 3.3.0.beta3
Timeline
Official Publish:
July 30th, 2024
Last Modified:
August 2nd, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L