GHSA-m7r8-2r98-vppj: opencart/opencart (CVE-2024-21518)

Zip slip in opencart

CVSS 7.2 HighCriticalEPSS 0.14 · 96th percentile

Critical, because:

CVSS score 7.2 (7.0 or more) and EPSS 0.14 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

Published by the GitHub Advisory Database at 22 Jun 2024, 06:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

Package	Ecosystem	Affected	Fixed in
opencart/opencart	Packagist	>=4.0.0.0	No fixed version yet

Identifiers

GHSA-m7r8-2r98-vppj · BIT-opencart-2024-21518 · CVE-2024-21518 · PKSA-cpgb-zy75-4rpw

Weakness (CWE)

CWE-22 · CWE-29 · CWE-290

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The opencart/opencart Packagist package, versions 4.0.0.0 and later, is affected by a Zip Slip issue in its marketplace installer, where target paths are not properly sanitized. An attacker who can supply a malicious archive to the installer could extract files to arbitrary locations, creating files in the web root and overwriting existing ones. No fixed version is listed in the source.

Written 31 Oct 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.2	High	3.1	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P	CNA (snyk)

CISA KEV Not listed.
EPSS 0.14, the 96th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

31 Oct 2026, 14:03 UTC First seen by agentprime
31 Oct 2026, 14:03 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.