{"id":"CVE-2025-53532","state":"PUBLISHED","title":"giscus allows unauthorized discussion creation","description":"giscus is a commenting system powered by GitHub Discussions. A bug in giscus' discussions creation API allowed an unauthorized user to create discussions on any repository where giscus is installed. This affects the server-side part of giscus, which is provided via http://giscus.app or your own self-hosted service. This vulnerability is fixed by the c43af7806e65adfcf4d0feeebef76dc36c95cb9a and 4b9745fe1a326ce08d69f8a388331bc993d19389 commits.","publishedAt":"2025-07-07T17:06:58.249Z","updatedAt":"2025-07-07T17:52:47.272Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["giscus giscus"],"affected":[{"vendor":"giscus","product":"giscus","versions":[{"version":"< c43af7806e65adfcf4d0feeebef76dc36c95cb9a","status":"affected"}]}],"references":["https://github.com/giscus/giscus/security/advisories/GHSA-w6vg-v24f-4vm3","https://github.com/giscus/giscus/commit/4b9745fe1a326ce08d69f8a388331bc993d19389","https://github.com/giscus/giscus/commit/c43af7806e65adfcf4d0feeebef76dc36c95cb9a"],"weaknesses":["CWE-285"],"ingestedAt":"2026-10-29T20:09:31.862Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/53xxx/CVE-2025-53532.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-53532","state":"PUBLISHED","datePublished":"2025-07-07T17:06:58.249Z","dateUpdated":"2025-07-07T17:52:47.272Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-07-02T15:15:11.514Z"},"containers":{"cna":{"title":"giscus allows unauthorized discussion creation","descriptions":[{"lang":"en","value":"giscus is a commenting system powered by GitHub Discussions. A bug in giscus' discussions creation API allowed an unauthorized user to create discussions on any repository where giscus is installed. This affects the server-side part of giscus, which is provided via http://giscus.app or your own self-hosted service. This vulnerability is fixed by the c43af7806e65adfcf4d0feeebef76dc36c95cb9a and 4b9745fe1a326ce08d69f8a388331bc993d19389 commits."}],"affected":[{"vendor":"giscus","product":"giscus","versions":[{"version":"< c43af7806e65adfcf4d0feeebef76dc36c95cb9a","status":"affected"}]}],"references":[{"url":"https://github.com/giscus/giscus/security/advisories/GHSA-w6vg-v24f-4vm3","name":"https://github.com/giscus/giscus/security/advisories/GHSA-w6vg-v24f-4vm3","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/giscus/giscus/commit/4b9745fe1a326ce08d69f8a388331bc993d19389","name":"https://github.com/giscus/giscus/commit/4b9745fe1a326ce08d69f8a388331bc993d19389","tags":["x_refsource_MISC"]},{"url":"https://github.com/giscus/giscus/commit/c43af7806e65adfcf4d0feeebef76dc36c95cb9a","name":"https://github.com/giscus/giscus/commit/c43af7806e65adfcf4d0feeebef76dc36c95cb9a","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-285","lang":"en","description":"CWE-285: Improper Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-07-07T17:06:58.249Z"},"source":{"advisory":"GHSA-w6vg-v24f-4vm3","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-07-07T17:52:34.931217Z","id":"CVE-2025-53532","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-07-07T17:52:47.272Z"}}]}}}