CVE-2019-20920 is an Arbitrary Code Execution vulnerability affecting Handlebars versions before 3.0.8 and 4.x before 4.5.3. The lookup helper fails to validate templates, allowing attackers to inject and execute arbitrary JavaScript. This high-severity vulnerability (CVSS 8.1) can lead to arbitrary code execution on servers or cross-site scripting (XSS) in browsers, with a network attack vector and high attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion regarding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.0.8CPE matchmatch criteria | cpe:2.3:a:handlebarsjs:handlebars:*:*:*:*:*:node.js:*:* | ||
>= 4.0.0, < 4.5.3CPE matchmatch criteria | cpe:2.3:a:handlebarsjs:handlebars:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.