CVE-2023-51475: Unrestricted Upload of File with Dangerous Type vulnerability in IOSS WP MLM SOFTWARE PLUGIN.This issue affect

Q: How do I fix CVE-2023-51475?

wp mlm unilevel: upgrade to newer than 4.0. Exact commands for each OS are on this page.

Q: Is CVE-2023-51475 being exploited?

CVE-2023-51475 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-2023-51475 affect?

CVE-2023-51475 affects wp mlm unilevel. Severity is critical (CVSS 10.0). Unrestricted Upload of File with Dangerous Type vulnerability in IOSS WP MLM SOFTWARE PLUGIN.This issue affects WP MLM SOFTWARE PLUGIN: from n/a through 4.0.

Q: How urgent is CVE-2023-51475?

Priority 52/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 10.0REMOTEUPGRADE

CVE-2023-51475 is a critical-severity flaw (CVSS 10.0) affecting wp mlm unilevel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unrestricted Upload of File with Dangerous Type vulnerability in IOSS WP MLM SOFTWARE PLUGIN.This issue affects WP MLM SOFTWARE PLUGIN: from n/a through 4.0.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 54%)
CISA exploited list	No
Weakness	CWE-434
Published	2023-12-29
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: wpmlmsoftware

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

Am I affected?

Timeline

2023-12-29 14:15 UTCPublished CVE record published
2026-06-17 06:41 UTCUpdated Record last modified

wpmlmsoftware wp mlm unilevel UPGRADE

Affected: <= 4.0

Fixed in: newer than 4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wp-mlm-unilevel || rpm -q wp-mlm-unilevel || wp-mlm-unilevel --version

2. UPGRADE to newer than 4.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wp-mlm-unilevel

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wp-mlm-unilevel

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-2023-51475?

wp mlm unilevel: upgrade to newer than 4.0. Exact commands for each OS are on this page.

Is CVE-2023-51475 being exploited?

CVE-2023-51475 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-2023-51475 affect?

CVE-2023-51475 affects wp mlm unilevel. Severity is critical (CVSS 10.0). Unrestricted Upload of File with Dangerous Type vulnerability in IOSS WP MLM SOFTWARE PLUGIN.This issue affects WP MLM SOFTWARE PLUGIN: from n/a through 4.0.

How urgent is CVE-2023-51475?

Priority 52/100. Critical severity; Remotely exploitable, no login, no user action

References

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