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CVE-2024-43373: webcrack is a tool for reverse engineering javascript

42
This month
HIGH 7.7UPGRADE

CVE-2024-43373 is a high-severity flaw (CVSS 7.7) affecting webcrack. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

webcrack is a tool for reverse engineering javascript. An arbitrary file write vulnerability exists in the webcrack module when processing specifically crafted malicious code on Windows systems. This vulnerability is triggered when using the unpack bundles feature in conjunction with the saving feature. If a module name includes a path traversal sequence with Windows path separators, an attacker can exploit this to overwrite files on the host sys

Why this priority

  • High severity
  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score7.7 (High)
Attack vectorLocal
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance0.4% (top 61%)
CISA exploited listNo
WeaknessCWE-20, CWE-22
Published2024-08-15
Last modified2026-06-17
Publisher (CNA): GitHub, Inc. · Vendor: j4k0xb

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

j4k0xb webcrack UPGRADE
Affected: < 2.14.1
Fixed in: 2.14.1
Safe to downgrade to: no unaffected older release
1. Check installed version
npm ls webcrack
2. UPGRADE to 2.14.1
npm install webcrack@">=2.14.1"
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-43373?

webcrack: upgrade to 2.14.1. Exact commands for each OS are on this page.

Is CVE-2024-43373 being exploited?

CVE-2024-43373 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-43373 affect?

CVE-2024-43373 affects webcrack. Severity is high (CVSS 7.7). webcrack is a tool for reverse engineering javascript. An arbitrary file write vulnerability exists in the webcrack module when processing specifically crafted malicious code on Windows systems. This vulnerability is triggered when using th

How urgent is CVE-2024-43373?

Priority 42/100. High severity; Public exploit reference

Software pages

Windows vulnerabilities

References

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