How severe is CVE-2020-9455?

CVE-2020-9455 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2020-9455 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9455?

CVE-2020-9455 affects Metagauss Registrationmagic. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9455?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-9455 published?

CVE-2020-9455 was published on 2020-03-06 and last updated on 2026-06-17.

CVE-2020-9455

CVE-2020-9455 is a medium-severity vulnerability in Metagauss Registrationmagic with a CVSS 3.x base score of 4.3. 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: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (72nd 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

The RegistrationMagic plugin through 4.6.0.3 for WordPress allows remote authenticated users (with minimal privileges) to send arbitrary emails on behalf of the site via class_rm_user_services.php send_email_user_view.

Frequently asked questions

What is CVE-2020-9455?: The RegistrationMagic plugin through 4.6.0.3 for WordPress allows remote authenticated users (with minimal privileges) to send arbitrary emails on behalf of the site via class_rm_user_services.php send_email_user_view.
How severe is CVE-2020-9455?: CVE-2020-9455 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2020-9455 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9455?: CVE-2020-9455 affects Metagauss Registrationmagic. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9455?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-9455 published?: CVE-2020-9455 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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