RegistrationMagic - Custom Registration Forms <= 3.7.9.2 - PHP Object Injection
Published Oct 18, 2025
9.8
CRITICALCVSS 3.1
EPSS 0.71%
Description
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.
Affected products
-
- Version 0StatusaffectedConstraints<3.7.9.3
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Metagauss | n/a | unaffected |
|
- < 3.7.9.3
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Oct 20, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2025–2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.71% (0.00706) | 51.67th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.64% (0.00644) | 45.86th | v5 (v2026.06.15) |
| Oct 18, 2025 | 0.04% (0.00038) | 11.11th | v4 (v2025.03.14) |
References (3)
- https://plugins.trac.wordpress.org/changeset/1733274/custom-registration-form-builder-with-submission-manager Patch
- https://www.wordfence.com/blog/2017/10/3-zero-day-plugin-vulnerabilities-exploited-wild/ Press/Media CoverageThird Party Advisory
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c2b79193-f8fc-4ea2-8973-fe292cfb926b?source=cve Technical Description
| Link | Providers | Tags |
|---|---|---|
| https://plugins.trac.wordpress.org/changeset/1733274/custom-registration-form-builder-with-submission-manager | Patch | |
| https://www.wordfence.com/blog/2017/10/3-zero-day-plugin-vulnerabilities-exploited-wild/ | Press/Media CoverageThird Party Advisory | |
| https://www.wordfence.com/threat-intel/vulnerabilities/id/c2b79193-f8fc-4ea2-8973-fe292cfb926b?source=cve | Technical Description |
Change history (0)
No recorded changes yet.