CVE-2025-12121 is a critical arbitrary command execution vulnerability affecting Lite XL versions 2.1.8 and prior. The flaw stems from unsanitized shell command construction within the system.exec function, specifically impacting project directory launching, drag-and-drop file handling, and the "open in system" command. With a CVSS score of 7.3 (HIGH), this vulnerability allows an attacker to execute arbitrary commands with the privileges of the Lite XL process, requiring local access and user interaction. The potential impact includes high confidentiality, integrity, and availability compromise. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE. It is not listed in the KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.1.8CPE matchmatch criteria | cpe:2.3:a:lite-xl:lite_xl:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.