{"id":"CVE-2023-23935","state":"PUBLISHED","title":"Presence of restricted personal Discourse messages may be leaked if tagged with a tag","description":"Discourse is an open-source messaging platform. In versions 3.0.1 and prior on the `stable` branch and versions 3.1.0.beta2 and prior on the `beta` and `tests-passed` branches, the count of personal messages displayed for a tag is a count of all personal messages regardless of whether the personal message is visible to a given user. As a result, any users can technically poll a sensitive tag to determine if a new personal message is created even if the user does not have access to the personal message.\n\nIn the patched versions, the count of personal messages tagged with a given tag is hidden by default. To revert to the old behaviour of displaying the count of personal messages for a given tag, an admin may enable the `display_personal_messages_tag_counts` site setting.","publishedAt":"2023-03-16T20:21:13.539Z","updatedAt":"2025-02-25T14:54:52.894Z","severity":{"score":3.5,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["discourse discourse"],"affected":[{"vendor":"discourse","product":"discourse","versions":[{"version":"stable <= 3.0.1","status":"affected"},{"version":"beta <= 3.1.0.beta2","status":"affected"},{"version":"tests-passed <= 3.1.0.beta2","status":"affected"}]}],"references":["https://github.com/discourse/discourse/security/advisories/GHSA-rf8j-mf8c-82v7","https://github.com/discourse/discourse/commit/f31f0b70f82c43d93220ce6fc0d4f57440452f37"],"weaknesses":["CWE-200"],"ingestedAt":"2026-10-29T20:05:43.909Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/23xxx/CVE-2023-23935.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-23935","state":"PUBLISHED","datePublished":"2023-03-16T20:21:13.539Z","dateUpdated":"2025-02-25T14:54:52.894Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2023-01-19T21:12:31.361Z"},"containers":{"cna":{"title":"Presence of restricted personal Discourse messages may be leaked if tagged with a tag ","descriptions":[{"lang":"en","value":"Discourse is an open-source messaging platform. In versions 3.0.1 and prior on the `stable` branch and versions 3.1.0.beta2 and prior on the `beta` and `tests-passed` branches, the count of personal messages displayed for a tag is a count of all personal messages regardless of whether the personal message is visible to a given user. As a result, any users can technically poll a sensitive tag to determine if a new personal message is created even if the user does not have access to the personal message.\n\nIn the patched versions, the count of personal messages tagged with a given tag is hidden by default. To revert to the old behaviour of displaying the count of personal messages for a given tag, an admin may enable the `display_personal_messages_tag_counts` site setting."}],"affected":[{"vendor":"discourse","product":"discourse","versions":[{"version":"stable <= 3.0.1","status":"affected"},{"version":"beta <= 3.1.0.beta2","status":"affected"},{"version":"tests-passed <= 3.1.0.beta2","status":"affected"}]}],"references":[{"url":"https://github.com/discourse/discourse/security/advisories/GHSA-rf8j-mf8c-82v7","name":"https://github.com/discourse/discourse/security/advisories/GHSA-rf8j-mf8c-82v7","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/discourse/discourse/commit/f31f0b70f82c43d93220ce6fc0d4f57440452f37","name":"https://github.com/discourse/discourse/commit/f31f0b70f82c43d93220ce6fc0d4f57440452f37","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.5,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","lang":"en","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2023-03-16T20:21:13.539Z"},"source":{"advisory":"GHSA-rf8j-mf8c-82v7","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/discourse/discourse/security/advisories/GHSA-rf8j-mf8c-82v7","name":"https://github.com/discourse/discourse/security/advisories/GHSA-rf8j-mf8c-82v7","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/discourse/discourse/commit/f31f0b70f82c43d93220ce6fc0d4f57440452f37","name":"https://github.com/discourse/discourse/commit/f31f0b70f82c43d93220ce6fc0d4f57440452f37","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T10:49:07.633Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-25T14:29:07.994823Z","id":"CVE-2023-23935","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-02-25T14:54:52.894Z"}}]}}}