How severe is CVE-2021-23227?

CVE-2021-23227 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-23227 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23227?

CVE-2021-23227 affects Php Everywhere Project Php Everywhere. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-23227?

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

When was CVE-2021-23227 published?

CVE-2021-23227 was published on 2022-01-13 and last updated on 2026-06-17.

CVE-2021-23227

CVE-2021-23227 is a medium-severity vulnerability in Php Everywhere Project Php Everywhere with a CVSS 3.x base score of 5.4. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 6.8
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Php Everywhere Project Php Everywhere
Published: 2022-01-13
Last modified: 2026-06-17

Description

Cross-Site Request Forgery (CSRF) vulnerability in Alexander Fuchs PHP Everywhere plugin <= 2.0.2 versions.

Frequently asked questions

What is CVE-2021-23227?: Cross-Site Request Forgery (CSRF) vulnerability in Alexander Fuchs PHP Everywhere plugin <= 2.0.2 versions.
How severe is CVE-2021-23227?: CVE-2021-23227 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-23227 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23227?: CVE-2021-23227 affects Php Everywhere Project Php Everywhere. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-23227?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-23227 published?: CVE-2021-23227 was published on 2022-01-13 and last updated on 2026-06-17.

References

https://patchstack.com/database/vulnerability/php-everywhere/wordpress-php-everywhere-plugin-2-0-2-cross-site-request-forgery-csrf-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:php_everywhere_project:php_everywhere:*:*:*:*:*:wordpress:*:*

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