CVE-2026-105220
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
ProductKlembot Twinejs
PublishedOct 4, 2026
First seenOct 4, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| klembot twinejs | v ≤ 2.12.0 | — |
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