{"id":"CVE-2026-105220","title":"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","summary":"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 op…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-79"],"vendor":"klembot","product":"twinejs","affected":["twinejs <= 2.12.0"],"published":"2026-10-04","updated":"2026-10-06","sourceUpdated":"2026-10-06T16:08:43.180","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-105220","references":[{"url":"https://github.com/klembot/twinejs","label":"disclosure@vulncheck.com"},{"url":"https://github.com/klembot/twinejs/blob/2.12.0/src/electron/main-process/scratch-file.ts#L57-L63","label":"disclosure@vulncheck.com"},{"url":"https://github.com/klembot/twinejs/blob/2.12.0/src/util/import.ts#L134-L136","label":"disclosure@vulncheck.com"},{"url":"https://github.com/klembot/twinejs/commit/3a9af28cabe9684730beb8b578132cad9bb5bc60","label":"disclosure@vulncheck.com"},{"url":"https://github.com/klembot/twinejs/commit/8e8a2bef5b1e20c58b99d22a2a4d8d867fb421cb","label":"disclosure@vulncheck.com"},{"url":"https://github.com/klembot/twinejs/issues/1706","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/twine-2-desktop-through-2.12.0-arbitrary-code-execution-via-imported-story-files","label":"disclosure@vulncheck.com"},{"url":"https://github.com/klembot/twinejs/issues/1706","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-105220.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-105220"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-105220"}],"tags":["nvd","cve.org","exploit-available","csaf","vex","red-hat"],"epss":0.00215,"epssPercentile":0.11813,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-10-05T15:04:38.321934Z"},"ingestedAt":"2026-10-04T23:05:36.168Z","slug":"CVE-2026-105220","body":"## Overview\n\nTwine 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-10-04 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-105220.json)","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":215913,"id":"CVE-2026-105220","ts":1791217639863,"field":"exploit_available","old":"false","new":"true"}]}