How severe is CVE-2021-38312?

CVE-2021-38312 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2021-38312 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38312?

CVE-2021-38312 affects Redux Gutenberg Template Library & Redux Framework. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-38312?

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-2021-38312 published?

CVE-2021-38312 was published on 2021-09-02 and last updated on 2026-06-17.

CVE-2021-38312

CVE-2021-38312 is a high-severity vulnerability in Redux Gutenberg Template Library & Redux Framework with a CVSS 3.x base score of 7.1. 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-863.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 4.0
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Redux Gutenberg Template Library & Redux Framework
Published: 2021-09-02
Last modified: 2026-06-17

Description

The Gutenberg Template Library & Redux Framework plugin <= 4.2.11 for WordPress used an incorrect authorization check in the REST API endpoints registered under the “redux/v1/templates/” REST Route in “redux-templates/classes/class-api.php”. The `permissions_callback` used in this file only checked for the `edit_posts` capability which is granted to lower-privileged users such as contributors, allowing such users to install arbitrary plugins from the WordPress repository and edit arbitrary posts.

Frequently asked questions

What is CVE-2021-38312?: The Gutenberg Template Library & Redux Framework plugin <= 4.2.11 for WordPress used an incorrect authorization check in the REST API endpoints registered under the “redux/v1/templates/” REST Route in “redux-templates/classes/class-api.php”. The `permissions_callback` used in this file only checked for the `edit_posts` capability which is granted to lower-privileged users such as contributors, allowing such users to install arbitrary plugins from the WordPress repository and edit arbitrary posts.
How severe is CVE-2021-38312?: CVE-2021-38312 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2021-38312 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38312?: CVE-2021-38312 affects Redux Gutenberg Template Library & Redux Framework. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-38312?: 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-2021-38312 published?: CVE-2021-38312 was published on 2021-09-02 and last updated on 2026-06-17.

References

https://www.wordfence.com/blog/2021/09/over-1-million-sites-affected-by-redux-framework-vulnerabilities/

Affected products (1)

cpe:2.3:a:redux:gutenberg_template_library_\&_redux_framework:*:*:*:*:*:wordpress:*:*

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