{"id":"CVE-2026-100242","aliases":["EUVD-2026-89081","GHSA-pc77-95w9-j7gj"],"status":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00411,"percentile":0.35866,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1395","CWE-400"],"published":"2026-09-29T16:40:18Z","modified":"2026-10-01T21:32:45Z","products":[{"vendor":"wikimedia foundation","product":"mediawiki - datatransfer extension"}],"references":[{"url":"https://phabricator.wikimedia.org/T433275"},{"url":"https://gerrit.wikimedia.org/r/q/Ibc4a9070c2425b690bc767a882e4c35046a39be7"},{"url":"https://github.com/advisories/GHSA-xh5m-36r6-47m3","tags":["exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100242"},{"url":"https://github.com/advisories/GHSA-pc77-95w9-j7gj"}],"sources":{"cve":[{"id":"CVE-2026-100242","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.","status":"published","published":"2026-09-29T16:40:18.122Z","modified":"2026-10-01T18:13:42.072Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-1395","CWE-400"],"updated_at":"2026-11-02T14:20:06.925367Z"}],"euvd":[{"id":"EUVD-2026-89081","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.","status":"published","published":"2026-09-29T16:40:18Z","modified":"2026-10-01T18:13:42Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T17:27:44.322377Z"}],"ghsa":[{"id":"GHSA-pc77-95w9-j7gj","title":"Dependency on Vulnerable Third-Party Component and Uncontrolled Resource Consumption...","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.","status":"published","published":"2026-09-29T18:31:46Z","modified":"2026-10-01T21:32:45Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:12:41.196374Z"}],"nvd":[{"id":"CVE-2026-100242","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.","status":"published","published":"2026-09-29T17:17:01.227Z","modified":"2026-10-01T19:17:16.38Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:12:52.413234Z"}]}}