How severe is CVE-2020-9456?

CVE-2020-9456 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-9456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9456?

CVE-2020-9456 affects Metagauss Registrationmagic. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9456?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-9456 published?

CVE-2020-9456 was published on 2020-03-06 and last updated on 2026-06-17.

CVE-2020-9456

CVE-2020-9456 is a high-severity vulnerability in Metagauss Registrationmagic with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Metagauss Registrationmagic
Published: 2020-03-06
Last modified: 2026-06-17

Description

In the RegistrationMagic plugin through 4.6.0.3 for WordPress, the user controller allows remote authenticated users (with minimal privileges) to elevate their privileges to administrator via class_rm_user_controller.php rm_user_edit.

Frequently asked questions

What is CVE-2020-9456?: In the RegistrationMagic plugin through 4.6.0.3 for WordPress, the user controller allows remote authenticated users (with minimal privileges) to elevate their privileges to administrator via class_rm_user_controller.php rm_user_edit.
How severe is CVE-2020-9456?: CVE-2020-9456 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-9456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9456?: CVE-2020-9456 affects Metagauss Registrationmagic. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9456?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-9456 published?: CVE-2020-9456 was published on 2020-03-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:metagauss:registrationmagic:*:*:*:*:*:wordpress:*:*

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