MajorCritical vulnerability

CVE-2026-105220 (CVSS 8.5)

NVD · officialPublished Oct 4, 2026Risk 37/100

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.

Technical details

CVSS

8.5

AV:LocalAC:LowPR:NoneUI:Passive

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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