CVE-2024-36120: Deobfuscate JavaScript Deobfuscator

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

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 products

• Deobfuscate JavaScript Deobfuscator: before 1.1.0 (fixed in 1.1.0)

Published 2024-05-31. Last modified 2026-06-17.