Deserialization in Validformbuilder Validform Builder

CVE-2018-1000059

ValidFormBuilder version 4.5.4 contains a PHP Object Injection vulnerability in Valid Form unserialize method that can result in Possible to execute unauthorised system commands remotely and disclose file contents in file system.

Vulnerability class: Insecure Deserialization

EPSS: 0.016 (73.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2018-1000059?
CVE-2018-1000059 is a critical-severity vulnerability in Validformbuilder Validform Builder, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2018-02-09.
How severe is CVE-2018-1000059?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-1000059 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.