How severe is CVE-2022-3366?

CVE-2022-3366 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-3366 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-3366?

CVE-2022-3366 primarily affects Publishpress Capabilities. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-3366?

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-2022-3366 published?

CVE-2022-3366 was published on 2022-10-31 and last updated on 2026-06-17.

CVE-2022-3366

CVE-2022-3366 is a high-severity vulnerability in Publishpress Capabilities with a CVSS 3.x base score of 7.2. 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-502.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Publishpress Capabilities
Published: 2022-10-31
Last modified: 2026-06-17

Description

The PublishPress Capabilities WordPress plugin before 2.5.2, PublishPress Capabilities Pro WordPress plugin before 2.5.2 unserializes the content of imported files, which could lead to PHP object injection attacks by administrators, on multisite WordPress configurations. Successful exploitation in this case requires other plugins with a suitable gadget chain to be present on the site.

Frequently asked questions

What is CVE-2022-3366?: The PublishPress Capabilities WordPress plugin before 2.5.2, PublishPress Capabilities Pro WordPress plugin before 2.5.2 unserializes the content of imported files, which could lead to PHP object injection attacks by administrators, on multisite WordPress configurations. Successful exploitation in this case requires other plugins with a suitable gadget chain to be present on the site.
How severe is CVE-2022-3366?: CVE-2022-3366 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-3366 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-3366?: CVE-2022-3366 primarily affects Publishpress Capabilities. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-3366?: 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-2022-3366 published?: CVE-2022-3366 was published on 2022-10-31 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/72639924-e7a7-4f7d-bd50-015d05ffd4fb

Affected products (2)

cpe:2.3:a:publishpress:capabilities:*:*:*:*:-:wordpress:*:*
cpe:2.3:a:publishpress:capabilities:*:*:*:*:pro:wordpress:*:*

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