9.8crit

CVE-2017-20208

RegistrationMagic - Custom Registration Forms <= 3.7.9.2 - PHP Object Injection

Published 12 mo ago · modified 4 mo ago · JSON

CVSS
9.8
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
0.7%
percentile 54%
Public exploits
0
none known

Summary

The RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login plugin for WordPress is vulnerable to PHP Object Injection in all versions up to 3.7.9.3 (exclusive) via deserialization of untrusted input from the is_expired_by_date() function. This makes it possible for unauthenticated attackers to inject a PHP Object. The additional presence of a POP chain allows attackers to fetch a remote file and install it on the site.

CISA SSVC assessment

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
12 mo ago

Exploit prediction (EPSS)

0.71% probability of exploitation in the next 30 days, higher than 54% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.19.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA3.19.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • metagauss RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data

References

  • wordfence.com /threat-intel/vulnerabilities/id/c2b79193-f8fc-4ea2-8973-fe292cfb926b?source=cve
  • wordfence.com /blog/2017/10/3-zero-day-plugin-vulnerabilities-exploited-wild/
  • plugins.trac.wordpress.org /changeset/1733274/custom-registration-form-builder-with-submission-manager

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.