How severe is CVE-2020-36670?

CVE-2020-36670 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2020-36670 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36670?

CVE-2020-36670 affects Basixonline Nex-forms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-36670?

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

When was CVE-2020-36670 published?

CVE-2020-36670 was published on 2023-03-07 and last updated on 2026-06-17.

CVE-2020-36670

CVE-2020-36670 is a medium-severity vulnerability in Basixonline Nex-forms with a CVSS 3.x base score of 6.3. 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 6.3)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Basixonline Nex-forms
Published: 2023-03-07
Last modified: 2026-06-17

Description

The NEX-Forms. plugin for WordPress is vulnerable to unauthorized disclosure and modification of data in versions up to, and including 7.7.1 due to missing capability checks on several AJAX actions. This makes it possible for authenticated attackers with subscriber level permissions and above to invoke these functions which can be used to perform actions like modify form submission records, deleting files, sending test emails, modifying plugin settings, and more.

Frequently asked questions

What is CVE-2020-36670?: The NEX-Forms. plugin for WordPress is vulnerable to unauthorized disclosure and modification of data in versions up to, and including 7.7.1 due to missing capability checks on several AJAX actions. This makes it possible for authenticated attackers with subscriber level permissions and above to invoke these functions which can be used to perform actions like modify form submission records, deleting files, sending test emails, modifying plugin settings, and more.
How severe is CVE-2020-36670?: CVE-2020-36670 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2020-36670 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36670?: CVE-2020-36670 affects Basixonline Nex-forms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36670?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-36670 published?: CVE-2020-36670 was published on 2023-03-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:basixonline:nex-forms:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Basixonline Nex-forms

CVE-2015-9452 — Critical (CVSS 9.8): The nex-forms-express-wp-form-builder plugin before 4.6.1 for WordPress has SQL injection via the…
CVE-2022-3142 — High (CVSS 8.8): The NEX-Forms WordPress plugin before 7.9.7 does not properly sanitise and escape user input before using it in SQL…
CVE-2024-53808 — High (CVSS 8.5): Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Basix NEX-Forms…
CVE-2023-50838 — High (CVSS 7.6): Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Basix NEX-Forms…
CVE-2021-34676 — High (CVSS 7.5): Basix NEX-Forms through 7.8.7 allows authentication bypass for Excel report generation.
CVE-2021-34675 — High (CVSS 7.5): Basix NEX-Forms through 7.8.7 allows authentication bypass for stored PDF reports.

All CVEs affecting Basixonline Nex-forms →

Other CWE-862 (Missing Authorization) vulnerabilities

CVE-2026-0092 — Critical (CVSS 10.0): In Package Manager, there is a possible device lock controller bypass due to a missing permission check. This could…
CVE-2026-33712 — Critical (CVSS 10.0): Typebot is a chatbot builder tool. In versions 3.15.2 and prior, the preview chat endpoint (POST…
CVE-2026-2031 — Critical (CVSS 10.0): An Improper Access Control vulnerability in several internal API endpoints for Google Cloud Application Integration…
CVE-2026-34976 — Critical (CVSS 10.0): Dgraph is an open source distributed GraphQL database. Prior to 25.3.1, the restoreTenant admin mutation is missing…
CVE-2025-30416 — Critical (CVSS 10.0): Sensitive data disclosure and manipulation due to missing authorization. The following products are affected: Acronis…
CVE-2025-45854 — Critical (CVSS 10.0): /server/executeExec of JEHC-BPM 2.0.1 allows attackers to execute arbitrary code via execParams.

Browse all CWE-862 (Missing Authorization) vulnerabilities →