CVE-2023-0073: The Client Logo Carousel WordPress plugin through 3.0.0 does not validate and escape some of its shortcode att

Q: How do I fix CVE-2023-0073?

client logo carousel: upgrade to newer than 3.0.0. Exact commands for each OS are on this page.

Q: Is CVE-2023-0073 being exploited?

CVE-2023-0073 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-2023-0073 affect?

CVE-2023-0073 affects client logo carousel. Severity is medium (CVSS 5.4). The Client Logo Carousel WordPress plugin through 3.0.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role

Q: How urgent is CVE-2023-0073?

Priority 34/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2023-0073 is a medium-severity flaw (CVSS 5.4) affecting client logo carousel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Client Logo Carousel WordPress plugin through 3.0.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-03-13
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: client logo carousel project

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

Am I affected?

Timeline

2023-03-13 17:15 UTCPublished CVE record published
2026-06-17 05:24 UTCUpdated Record last modified

client logo carousel project client logo carousel UPGRADE

Affected: <= 3.0.0

Fixed in: newer than 3.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy client-logo-carousel || rpm -q client-logo-carousel || client-logo-carousel --version

2. UPGRADE to newer than 3.0.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade client-logo-carousel

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade client-logo-carousel

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-2023-0073?

client logo carousel: upgrade to newer than 3.0.0. Exact commands for each OS are on this page.

Is CVE-2023-0073 being exploited?

CVE-2023-0073 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-2023-0073 affect?

CVE-2023-0073 affects client logo carousel. Severity is medium (CVSS 5.4). The Client Logo Carousel WordPress plugin through 3.0.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role

How urgent is CVE-2023-0073?

Priority 34/100. Public exploit reference

Software pages

WordPress vulnerabilities

References

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