High severity7.8NVD Advisory· Published Oct 4, 2026
CVE-2026-105220
CVE-2026-105220
Description
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.
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Affected products
1Patches
Vulnerability mechanics
References
6- github.com/klembot/twinejs/blob/2.12.0/src/electron/main-process/scratch-file.tsnvd
- github.com/klembot/twinejs/blob/2.12.0/src/util/import.tsnvd
- github.com/klembot/twinejs/commit/3a9af28cabe9684730beb8b578132cad9bb5bc60nvd
- github.com/klembot/twinejs/commit/8e8a2bef5b1e20c58b99d22a2a4d8d867fb421cbnvd
- github.com/klembot/twinejs/issues/1706nvd
- www.vulncheck.com/advisories/twine-2-desktop-through-2.12.0-arbitrary-code-execution-via-imported-story-filesnvd
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