How severe is CVE-2021-24227?

CVE-2021-24227 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-24227 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24227?

CVE-2021-24227 affects Patreon Patreon Wordpress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24227?

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-2021-24227 published?

CVE-2021-24227 was published on 2021-04-12 and last updated on 2026-06-17.

CVE-2021-24227

CVE-2021-24227 is a high-severity vulnerability in Patreon Patreon Wordpress with a CVSS 3.x base score of 7.5. 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Patreon Patreon Wordpress
Published: 2021-04-12
Last modified: 2026-06-17

Description

The Jetpack Scan team identified a Local File Disclosure vulnerability in the Patreon WordPress plugin before 1.7.0 that could be abused by anyone visiting the site. Using this attack vector, an attacker could leak important internal files like wp-config.php, which contains database credentials and cryptographic keys used in the generation of nonces and cookies.

Frequently asked questions

What is CVE-2021-24227?: The Jetpack Scan team identified a Local File Disclosure vulnerability in the Patreon WordPress plugin before 1.7.0 that could be abused by anyone visiting the site. Using this attack vector, an attacker could leak important internal files like wp-config.php, which contains database credentials and cryptographic keys used in the generation of nonces and cookies.
How severe is CVE-2021-24227?: CVE-2021-24227 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-24227 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24227?: CVE-2021-24227 affects Patreon Patreon Wordpress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24227?: 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-2021-24227 published?: CVE-2021-24227 was published on 2021-04-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:patreon:patreon_wordpress:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Patreon Patreon Wordpress

CVE-2018-20984 — Critical (CVSS 9.8): The patreon-connect plugin before 1.2.2 for WordPress has Object Injection.
CVE-2021-24229 — Critical (CVSS 9.6): The Jetpack Scan team identified a Reflected Cross-Site Scripting via the patreon_save_attachment_patreon_level AJAX…
CVE-2021-24228 — Critical (CVSS 9.6): The Jetpack Scan team identified a Reflected Cross-Site Scripting in the Login Form of the Patreon WordPress plugin…
CVE-2021-24230 — High (CVSS 8.1): The Jetpack Scan team identified a Cross-Site Request Forgery vulnerability in the Patreon WordPress plugin before…
CVE-2021-24231 — Medium (CVSS 6.5): The Jetpack Scan team identified a Cross-Site Request Forgery vulnerability in the Patreon WordPress plugin before…
CVE-2021-25026 — Medium (CVSS 5.5): The Patreon WordPress plugin before 1.8.2 does not sanitise and escape the field "Custom Patreon Page name", which…

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