{"id":"CVE-2023-36818","summary":"Denial of service via User Custom Sidebar Section Unlimited Link Creation in discourse","details":"Discourse is an open source discussion platform. In affected versions a request to create or update custom sidebar section can cause a denial of service. This issue has been patched in commit `52b003d915`. Users are advised to upgrade. There are no known workarounds for this vulnerability.","aliases":["BIT-discourse-2023-36818","GHSA-gxqx-3q2p-37gm"],"modified":"2026-08-12T03:51:24.667048863Z","published":"2023-07-14T21:16:14.912Z","database_specific":{"cwe_ids":["CWE-400"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/36xxx/CVE-2023-36818.json","cna_assigner":"GitHub_M"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/36xxx/CVE-2023-36818.json"},{"type":"ADVISORY","url":"https://github.com/discourse/discourse/security/advisories/GHSA-gxqx-3q2p-37gm"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36818"},{"type":"FIX","url":"https://github.com/discourse/discourse/commit/52b003d915761f1581ae2d105f3cbe76df7bf1ff"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/discourse/discourse","events":[{"introduced":"286dfcacb44b76f1a3a89d85c4602ef957bebac0"},{"fixed":"52b003d915761f1581ae2d105f3cbe76df7bf1ff"}],"database_specific":{"cpe":"cpe:2.3:a:discourse:discourse:3.1.0:beta5:*:*:beta:*:*:*","extracted_events":[{"introduced":"3.1.0-beta5"},{"last_affected":"3.1.0-beta5"}],"source":["CPE_STRING","REFERENCES"]}}],"versions":["3.1.0-beta5","= 3.1.0beta5","v3.1.0.beta5"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-36818.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}