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Status published
Medium
CVE-2022-23548
Discourse is an option source discussion platform. Prior to version...
Vulnerability Description
Discourse is an option source discussion platform. Prior to version 2.8.14 on the `stable` branch and version 2.9.0.beta16 on the `beta` and `tests-passed` branches, parsing posts can be susceptible to regular expression denial of service (ReDoS) attacks. This issue is patched in versions 2.8.14 and 2.9.0.beta16. There are no known workarounds.
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-2025-68934
Discourse Has Denial of Service (DoS) Vulnerability in Drafts Creation Endpoint
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6.5
CVE-2025-68933
Discourse non-admin moderators can exfiltrate private content via post ownership transfer
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6.9
CVE-2025-68666
Discourse users archives leaked to users with moderation privileges
Medium
5.9
Affected Vendor
discourse
View all reports →Affected Software
discourse
Vulnerable Versions:
< 2.8.14, >= 2.9.0.beta0, < 2.9.0.beta16
Timeline
Official Publish:
January 5th, 2023
Last Modified:
March 10th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H