CVE-2022-3366: The PublishPress Capabilities WordPress plugin before 2.5.2, PublishPress Capabilities Pro WordPress plugin be

Q: How do I fix CVE-2022-3366?

capabilities: upgrade to 2.5.2. Exact commands for each OS are on this page.

Q: Is CVE-2022-3366 being exploited?

CVE-2022-3366 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-3366 affect?

CVE-2022-3366 affects capabilities. Severity is high (CVSS 7.2). 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 mult

Q: How urgent is CVE-2022-3366?

Priority 49/100. High severity; Public exploit reference

This month

HIGH 7.2UPGRADE

CVE-2022-3366 is a high-severity flaw (CVSS 7.2) affecting capabilities. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-502
Published	2022-10-31
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: publishpress

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-10-31 16:15 UTCPublished CVE record published
2026-06-17 04:59 UTCUpdated Record last modified

publishpress capabilities UPGRADE

Affected: < 2.5.2

Fixed in: 2.5.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy capabilities || rpm -q capabilities || capabilities --version

2. UPGRADE to 2.5.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade capabilities

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade capabilities

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-3366?

capabilities: upgrade to 2.5.2. Exact commands for each OS are on this page.

Is CVE-2022-3366 being exploited?

CVE-2022-3366 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-3366 affect?

CVE-2022-3366 affects capabilities. Severity is high (CVSS 7.2). 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 mult

How urgent is CVE-2022-3366?

Priority 49/100. High severity; Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2021-25032 CRITICAL 9.8 UPGRADE The PublishPress Capabilities WordPress plugin before 2.3.1, PublishPress Capabilities Pro WordPress plugin be

References

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