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.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Passive
Minimal interaction
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
klembot:twinejs
References 7
https://github.com/klembot/twinejs/issues/1706
GitHub Issue #1706
https://github.com/klembot/twinejs
NVD
https://github.com/klembot/twinejs/blob/2.12.0/src/util/import.ts#L134-L136
NVD
https://github.com/klembot/twinejs/blob/2.12.0/src/electron/main-process/scratc…
NVD
https://github.com/klembot/twinejs/commit/8e8a2bef5b1e20c58b99d22a2a4d8d867fb42…
NVD
https://github.com/klembot/twinejs/commit/3a9af28cabe9684730beb8b578132cad9bb5b…
NVD
https://www.vulncheck.com/advisories/twine-2-desktop-through-2.12.0-arbitrary-c…
VulnCheck Advisory: Twine 2 Desktop through 2.12.0 Arbitrary Code Execution via Imported Story Files