Vulnerability · Published May 31, 2024 · Assigned by GitHub_M

CVE-2024-36120javascript-deobfuscator crafted payload can lead to code execution

High 8.2

In plain English

A high-severity code injection in javascript-deobfuscator from ben-sb. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 29% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.2High

Exploit odds (30 days)0.3%top 71.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

javascript-deobfuscator removes common JavaScript obfuscation techniques. In affected versions crafted payloads targeting expression simplification can lead to code execution. This issue has been patched in version 1.1.0. Users are advised to update. Users unable to upgrade should disable the expression simplification feature.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	js-deobfuscator	1.1.0	GHSA-9p6p-8v9r-8c9m

Affected products (as reported)

Vendor	Product	Versions
ben-sb	javascript-deobfuscator	< 1.1.0

Weakness: CWE-94 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

References

https://github.com/ben-sb/javascript-deobfuscator/security/advisories/GHSA-9p6p-8v9r-8c9m x_refsource_CONFIRM
https://github.com/ben-sb/javascript-deobfuscator/commit/630d3caec83d5f31c5f7a07e6fadf613d06699d6 x_refsource_MISC