CVE-2023-0421: The Cloud Manager WordPress plugin through 1.0 does not sanitise and escape the query param ricerca before out

Q: How do I fix CVE-2023-0421?

cloud manager: upgrade to newer than 1.0. Exact commands for each OS are on this page.

Q: Is CVE-2023-0421 being exploited?

CVE-2023-0421 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-2023-0421 affect?

CVE-2023-0421 affects cloud manager. Severity is medium (CVSS 6.1). The Cloud Manager WordPress plugin through 1.0 does not sanitise and escape the query param ricerca before outputting it in an admin panel, allowing unauthenticated attackers to trick a logged in admin to trigger a XSS payload by clicking a

Q: How urgent is CVE-2023-0421?

Priority 37/100. Public exploit reference

Routine

MEDIUM 6.1UPGRADE

CVE-2023-0421 is a medium-severity flaw (CVSS 6.1) affecting cloud manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Cloud Manager WordPress plugin through 1.0 does not sanitise and escape the query param ricerca before outputting it in an admin panel, allowing unauthenticated attackers to trick a logged in admin to trigger a XSS payload by clicking a link.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Published	2023-05-08
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: cloud manager project

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

Am I affected?

Timeline

2023-05-08 14:15 UTCPublished CVE record published
2026-06-17 05:25 UTCUpdated Record last modified

cloud manager project cloud manager UPGRADE

Affected: <= 1.0

Fixed in: newer than 1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy cloud-manager || rpm -q cloud-manager || cloud-manager --version

2. UPGRADE to newer than 1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cloud-manager

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cloud-manager

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-2023-0421?

cloud manager: upgrade to newer than 1.0. Exact commands for each OS are on this page.

Is CVE-2023-0421 being exploited?

CVE-2023-0421 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-2023-0421 affect?

CVE-2023-0421 affects cloud manager. Severity is medium (CVSS 6.1). The Cloud Manager WordPress plugin through 1.0 does not sanitise and escape the query param ricerca before outputting it in an admin panel, allowing unauthenticated attackers to trick a logged in admin to trigger a XSS payload by clicking a

How urgent is CVE-2023-0421?

Priority 37/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

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CVE-2023-41748 CRITICAL 9.8 UPGRADE Remote command execution due to improper input validation
CVE-2023-41747 MEDIUM 6.5 UPGRADE Sensitive information disclosure due to unauthenticated path traversal
CVE-2023-41746 CRITICAL 9.8 UPGRADE Remote command execution due to improper input validation

References

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