CVE-2022-4536: The IP Vault – WP Firewall plugin for WordPress is vulnerable to IP Address Spoofing in versions up to, and in

Q: How do I fix CVE-2022-4536?

two-factor authentication: upgrade to 2.1. Exact commands for each OS are on this page.

Q: Is CVE-2022-4536 being exploited?

CVE-2022-4536 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-2022-4536 affect?

CVE-2022-4536 affects two-factor authentication. Severity is medium (CVSS 5.3). The IP Vault – WP Firewall plugin for WordPress is vulnerable to IP Address Spoofing in versions up to, and including, 1.1. This is due to insufficient restrictions on where the IP Address information is being retrieved for request logging

Q: How urgent is CVE-2022-4536?

Priority 27/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2022-4536 is a medium-severity flaw (CVSS 5.3) affecting two-factor authentication. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The IP Vault – WP Firewall plugin for WordPress is vulnerable to IP Address Spoofing in versions up to, and including, 1.1. This is due to insufficient restrictions on where the IP Address information is being retrieved for request logging and login restrictions. Attackers can supply the X-Forwarded-For header with with a different IP Address that will be logged and can be used to bypass settings that may have blocked out an IP address or country

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-348
Published	2024-08-31
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: youtag

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

Am I affected?

Timeline

2024-08-31 09:15 UTCPublished CVE record published
2026-06-17 05:21 UTCUpdated Record last modified

youtag two-factor authentication UPGRADE

Affected: < 2.1

Fixed in: 2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy two-factor-authentication || rpm -q two-factor-authentication || two-factor-authentication --version

2. UPGRADE to 2.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade two-factor-authentication

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade two-factor-authentication

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-2022-4536?

two-factor authentication: upgrade to 2.1. Exact commands for each OS are on this page.

Is CVE-2022-4536 being exploited?

CVE-2022-4536 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-2022-4536 affect?

CVE-2022-4536 affects two-factor authentication. Severity is medium (CVSS 5.3). The IP Vault – WP Firewall plugin for WordPress is vulnerable to IP Address Spoofing in versions up to, and including, 1.1. This is due to insufficient restrictions on where the IP Address information is being retrieved for request logging

How urgent is CVE-2022-4536?

Priority 27/100. Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities · HashiCorp Vault vulnerabilities

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References

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