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CVE-2024-4756: The WP Backpack WordPress plugin through 2.1 does not sanitise and escape some of its settings, which could al

31
Routine
MEDIUM 5.4UPGRADE

CVE-2024-4756 is a medium-severity flaw (CVSS 5.4) affecting wp backpack. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The WP Backpack WordPress plugin through 2.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Why this priority

  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score5.4 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionRequired
EPSS exploit chance0.3% (top 74%)
CISA exploited listNo
WeaknessCWE-79
Published2024-06-07
Last modified2026-06-17
Publisher (CNA): WPScan · Vendor: wpbackpack

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

Am I affected?

Timeline

wpbackpack wp backpack UPGRADE
Affected: <= 2.1
Fixed in: newer than 2.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy wp-backpack || rpm -q wp-backpack || wp-backpack --version
2. UPGRADE to newer than 2.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade wp-backpack
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade wp-backpack
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-2024-4756?

wp backpack: upgrade to newer than 2.1. Exact commands for each OS are on this page.

Is CVE-2024-4756 being exploited?

CVE-2024-4756 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-2024-4756 affect?

CVE-2024-4756 affects wp backpack. Severity is medium (CVSS 5.4). The WP Backpack WordPress plugin through 2.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is

How urgent is CVE-2024-4756?

Priority 31/100. Public exploit reference

Software pages

WordPress vulnerabilities

References

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