PatchTheCVECVE-2018-12457: expressCart before 1.1.6 allows remote attackers to create an admin user via a /admin/setup Referer header.
CVE-2018-12457 is a high-severity flaw (CVSS 8.8) affecting expresscart. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
expressCart before 1.1.6 allows remote attackers to create an admin user via a /admin/setup Referer header.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.8 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 1.9% (top 20%) |
| CISA exploited list | No |
| Weakness | CWE-732 |
| Published | 2018-06-15 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2018-12457?
expresscart: upgrade to 1.1.6. Exact commands for each OS are on this page.
Is CVE-2018-12457 being exploited?
CVE-2018-12457 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-2018-12457 affect?
CVE-2018-12457 affects expresscart. Severity is high (CVSS 8.8). expressCart before 1.1.6 allows remote attackers to create an admin user via a /admin/setup Referer header.
How urgent is CVE-2018-12457?
Priority 51/100. High severity