{"id":"CVE-2022-23640","aliases":["GHSA-xvm2-9xvc-hx7f"],"url":"https://o3.security/vulnerability/CVE-2022-23640","summary":"Improper Restriction of XML External Entity Reference in Excel-Streaming-Reader","details":"Excel-Streaming-Reader is an easy-to-use implementation of a streaming Excel reader using Apache POI. Prior to xlsx-streamer 2.1.0, the XML parser that was used did apply all the necessary settings to prevent XML Entity Expansion issues. Upgrade to version 2.1.0 to receive a patch. There is no known workaround.","published":"2022-03-02T19:50:10Z","modified":"2026-08-12T03:51:49.392566013Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"com.monitorjbl:xlsx-streamer","fixedVersion":"2.1.0"}],"fix":{"url":"https://github.com/monitorjbl/excel-streaming-reader/commit/0749c7b9709db078ccdeada16d46a34bc2910c73","label":"monitorjbl/excel-streaming-reader@0749c7b"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23640.json"},{"type":"ADVISORY","url":"https://github.com/monitorjbl/excel-streaming-reader/security/advisories/GHSA-xvm2-9xvc-hx7f"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-23640"},{"type":"FIX","url":"https://github.com/monitorjbl/excel-streaming-reader/commit/0749c7b9709db078ccdeada16d46a34bc2910c73"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:49.392566013Z"}}