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CVE-2017-20208

31
FAUCET Score

CVE-2017-20208 is a critical PHP Object Injection vulnerability affecting all versions prior to 3.7.9.3 of the RegistrationMagic plugin for WordPress. This flaw allows unauthenticated attackers to inject a PHP Object through the is_expired_by_date() function, leading to arbitrary code execution. With a CVSS score of 9.8, this vulnerability poses a severe risk, enabling attackers to fetch and install remote files on affected websites. Despite its critical severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.7.9.3CPE matchmatch criteria
cpe:2.3:a:metagauss:registrationmagic:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.66%
Probability of exploitation in next 30 days
EPSS Percentile
47.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0066 is in the 29th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

plugins.trac.wordpress.org / changeset/1733274/custom-registration-form-builder-with-submission-manager
Patch
wordfence.com / blog/2017/10/3-zero-day-plugin-vulnerabilities-exploited-wild
Press/Media CoverageThird Party Advisory
wordfence.com / threat-intel/vulnerabilities/id/c2b79193-f8fc-4ea2-8973-fe292cfb926b
Technical Description