CVE-2024-21518
CVE-2024-21518 is a high-severity vulnerability in Opencart with a CVSS 3.x base score of 7.2. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- EPSS exploit prediction: 14% (96th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-2100
- Weakness: CWE-22
- Affected product: Opencart
- Published:
- Last modified:
Description
This affects versions of the package opencart/opencart from 4.0.0.0. A Zip Slip issue was identified via the marketplace installer due to improper sanitization of the target path, allowing files within a malicious archive to traverse the filesystem and be extracted to arbitrary locations. An attacker can create arbitrary files in the web root of the application and overwrite other existing files by exploiting this vulnerability.
Frequently asked questions
- What is CVE-2024-21518?
- This affects versions of the package opencart/opencart from 4.0.0.0. A Zip Slip issue was identified via the marketplace installer due to improper sanitization of the target path, allowing files within a malicious archive to traverse the filesystem and be extracted to arbitrary locations. An attacker can create arbitrary files in the web root of the application and overwrite other existing files by exploiting this vulnerability.
- How severe is CVE-2024-21518?
- CVE-2024-21518 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-21518 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-21518?
- CVE-2024-21518 affects Opencart. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-21518?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-21518 have an EU (EUVD) identifier?
- Yes. CVE-2024-21518 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2100.
- When was CVE-2024-21518 published?
- CVE-2024-21518 was published on 2024-06-22 and last updated on 2026-06-17.
References
- https://github.com/opencart/opencart/blob/04c1724370ab02967d3b4f668c1b67771ecf1ff4/upload/admin/controller/marketplace/installer.php%23L383C1-L383C1
- https://security.snyk.io/vuln/SNYK-PHP-OPENCARTOPENCART-7266578
Affected products (1)
- cpe:2.3:a:opencart:opencart:*:*:*:*:*:*:*:*
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