{"id":"CVE-2026-105220","summary":"Twine 2 Desktop through 2.12.0 Arbitrary Code Execution via Imported Story Files","details":"Twine 2 desktop through 2.12.0 contains a cross-site scripting vulnerability in importStories() that executes markup from imported story files in the editor window. Attackers can craft a story file whose script calls the twineElectron openWithScratchFile IPC bridge to write and open a .bat file, executing code as the user.","modified":"2026-10-06T02:47:21.018709405Z","published":"2026-10-04T22:31:46.420Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105220.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-79"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105220.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105220"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/twine-2-desktop-through-2.12.0-arbitrary-code-execution-via-imported-story-files"},{"type":"REPORT","url":"https://github.com/klembot/twinejs/issues/1706"},{"type":"FIX","url":"https://github.com/klembot/twinejs/commit/3a9af28cabe9684730beb8b578132cad9bb5bc60"},{"type":"FIX","url":"https://github.com/klembot/twinejs/commit/8e8a2bef5b1e20c58b99d22a2a4d8d867fb421cb"},{"type":"PACKAGE","url":"https://github.com/klembot/twinejs"},{"type":"ARTICLE","url":"https://github.com/klembot/twinejs/blob/2.12.0/src/electron/main-process/scratch-file.ts#L57-L63"},{"type":"ARTICLE","url":"https://github.com/klembot/twinejs/blob/2.12.0/src/util/import.ts#L134-L136"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/klembot/twinejs","events":[{"introduced":"0"},{"fixed":"020b8dcd308d0103bb8ca1f547f2eaae247f17e8"},{"fixed":"3a9af28cabe9684730beb8b578132cad9bb5bc60"},{"fixed":"8e8a2bef5b1e20c58b99d22a2a4d8d867fb421cb"}],"database_specific":{"source":["DESCRIPTION","REFERENCES"],"extracted_events":[{"introduced":"0"},{"fixed":"2.12.0"}]}}],"versions":["2.11.1","2.11.0","2.10.0","2.9.2","2.9.1","2.9.0","2.8.1","2.8.0","2.7.1","2.7.0","2.6.2","2.6.1","2.6.0","2.5.1","2.5.0","2.4.1","2.4.0","2.4.0-beta3","2.4.0-beta1","2.3.13","2.3.12","2.3.9","2.3.8","2.3.7","2.3.6","2.3.5","2.3.4","2.3.3","2.3.2","2.3.1","2.3.0","2.3.0-beta2","2.3.0-beta1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-105220.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}