Is there a public exploit for CVE-2023-45133?

No public exploit for CVE-2023-45133 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2023-45133?

CVE-2023-45133 scores CVSS 9.4 (v3.1), rated critical. EPSS puts the chance of exploitation in the next 30 days at 0.52%.

What does CVE-2023-45133 affect?

CVE-2023-45133 affects babel Babel.

9.4 Critical

Babel is a compiler for writingJavaScript.

CVE-2023-45133

Babel is a compiler for writingJavaScript. In @babel/traverse prior to versions 7.23.2 and 8.0.0-alpha.4 and all versions of babel-traverse, using Babel to compile code that was specifically crafted by an attacker can lead to arbitrary code execution during compilation, when using plugins that rely on the path.evaluate()or path.evaluateTruthy() internal Babel methods. Known affected plugins are @babel/plugin-transform-runtime; @babel/preset-env when using its useBuiltIns option; and any "polyfill provider" plugin that depends on @babel/helper-define-polyfill-provider, such as babel-plugin-polyfill-corejs3, babel-plugin-polyfill-corejs2, babel-plugin-polyfill-es-shims, babel-plugin-polyfill-regenerator. No other plugins under the @babel/ namespace are impacted, but third-party plugins might be. Users that only compile trusted code are not impacted. The vulnerability has been fixed in @babel/traverse@7.23.2 and @babel/traverse@8.0.0-alpha.4. Those who cannot upgrade @babel/traverse and are using one of the affected packages mentioned above should upgrade them to their latest version to avoid triggering the vulnerable code path in affected @babel/traverse versions:…

Assessment

CVSS: 9.4 (v3.1)
Severity: Critical
EPSS: 0.52% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 12 October 2023
Last updated: 17 June 2026
Affected: babel · Babel
Weakness: CWE-184, CWE-697
Assigner: security-advisories@github.com

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

At the source

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