Arbitrary file upload in Wondercms

CVE-2017-14521

In WonderCMS 2.3.1, the upload functionality accepts random application extensions and leads to malicious File Upload.

Vulnerability class: Unrestricted File Upload

EPSS: 0.073 (93.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Wondercms — versions 2.3.0, 2.3.1
  • N/a — versions n/a

Weakness classification (CWE)

References

  • cve@mitre.org (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)

Frequently asked questions

What is CVE-2017-14521?
CVE-2017-14521 is a high-severity vulnerability in Wondercms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2018-01-26.
How severe is CVE-2017-14521?
High severity. CVSS v3 base score is 8.8 out of 10.