CVE-2023-0514: The Membership Database WordPress plugin through 1.0 does not sanitise and escape a parameter before outputtin

Q: How do I fix CVE-2023-0514?

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

Q: Is CVE-2023-0514 being exploited?

CVE-2023-0514 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-2023-0514 affect?

CVE-2023-0514 affects membership database. Severity is medium (CVSS 6.1). The Membership Database WordPress plugin through 1.0 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

Q: How urgent is CVE-2023-0514?

Priority 41/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2023-0514 is a medium-severity flaw (CVSS 6.1) affecting membership database. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Membership Database WordPress plugin through 1.0 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

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	0.9% (top 42%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-05-08
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: membership database 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

membership database project membership database 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 membership-database || rpm -q membership-database || membership-database --version

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

sudo apt update && sudo apt install --only-upgrade membership-database

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade membership-database

Note

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

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Membership Database <= 1.0 - Cross-Site Scripting

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-2023-0514?

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

Is CVE-2023-0514 being exploited?

CVE-2023-0514 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-2023-0514 affect?

CVE-2023-0514 affects membership database. Severity is medium (CVSS 6.1). The Membership Database WordPress plugin through 1.0 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

How urgent is CVE-2023-0514?

Priority 41/100. Public exploit reference

Software pages

WordPress vulnerabilities

References

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