{"id":"CVE-2026-100242","state":"PUBLISHED","title":"DataTransfer depends on phpspreadsheet version vulnerable to CVE-2026-59933 (XLS/OLE memory exhaustion)","description":"Dependency on Vulnerable Third-Party Component and Uncontrolled Resource Consumption vulnerability in Wikimedia Foundation Mediawiki - DataTransfer Extension allows Excessive Allocation.\n\nThis issue affects Mediawiki - DataTransfer Extension: from 1.46.0 before 1.47.0.","publishedAt":"2026-09-29T16:40:18.122Z","updatedAt":"2026-10-01T18:13:42.072Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"wikimedia-foundation","products":["Wikimedia Foundation Mediawiki - DataTransfer Extension"],"affected":[{"vendor":"Wikimedia Foundation","product":"Mediawiki - DataTransfer Extension","defaultStatus":"unaffected","versions":[{"version":"1.46.0","status":"affected","lessThan":"1.47.0","versionType":"semver"}],"repo":"https://gerrit.wikimedia.org/g/mediawiki/extensions/DataTransfer/+/refs/heads/master"}],"references":["https://phabricator.wikimedia.org/T433275","https://gerrit.wikimedia.org/r/q/Ibc4a9070c2425b690bc767a882e4c35046a39be7","https://github.com/advisories/GHSA-xh5m-36r6-47m3"],"weaknesses":["CWE-1395","CWE-400"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/100xxx/CVE-2026-100242.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-100242","state":"PUBLISHED","datePublished":"2026-09-29T16:40:18.122Z","dateUpdated":"2026-10-01T18:13:42.072Z","assignerShortName":"wikimedia-foundation","assignerOrgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","dateReserved":"2026-09-25T16:02:34.843Z"},"containers":{"cna":{"title":"DataTransfer depends on phpspreadsheet version vulnerable to CVE-2026-59933 (XLS/OLE memory exhaustion)","descriptions":[{"lang":"en","value":"Dependency on Vulnerable Third-Party Component and Uncontrolled Resource Consumption vulnerability in Wikimedia Foundation Mediawiki - DataTransfer Extension allows Excessive Allocation.\n\nThis issue affects Mediawiki - DataTransfer Extension: from 1.46.0 before 1.47.0."}],"affected":[{"vendor":"Wikimedia Foundation","product":"Mediawiki - DataTransfer Extension","defaultStatus":"unaffected","versions":[{"version":"1.46.0","status":"affected","lessThan":"1.47.0","versionType":"semver"}],"repo":"https://gerrit.wikimedia.org/g/mediawiki/extensions/DataTransfer/+/refs/heads/master"}],"references":[{"url":"https://phabricator.wikimedia.org/T433275"},{"url":"https://gerrit.wikimedia.org/r/q/Ibc4a9070c2425b690bc767a882e4c35046a39be7"},{"url":"https://github.com/advisories/GHSA-xh5m-36r6-47m3"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1395","lang":"en","description":"CWE-1395 Dependency on Vulnerable Third-Party Component","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-400","lang":"en","description":"CWE-400 Uncontrolled Resource Consumption","type":"CWE"}]}],"providerMetadata":{"shortName":"wikimedia-foundation","orgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","dateUpdated":"2026-09-29T16:40:18.122Z"},"impacts":[{"capecId":"CAPEC-130","descriptions":[{"lang":"en","value":"CAPEC-130 Excessive Allocation"}]}],"credits":[{"lang":"en","value":"AKulbii","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/advisories/GHSA-xh5m-36r6-47m3","tags":["exploit"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-01T18:11:41.266497Z","id":"CVE-2026-100242","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-01T18:13:42.072Z"}}]}}}