Security readout for executives and security teams
Plain-English summary
This flaw affects the IP Vault - WP Firewall WordPress plugin through version 1.1. The plugin could trust a user-supplied IP header, so an attacker may appear to come from a different IP address and bypass IP or country-based login restrictions. It is a moderate business risk where that plugin is used for access control.
Executive priority
Treat as a targeted cleanup item, not an emergency, unless the affected plugin protects administrator logins or high-risk WordPress sites. The main risk is weakened access control from bypassed IP-based restrictions.
Technical view
CVE-2022-4536 is an IP address spoofing issue caused by insufficient restrictions on where request IP data is retrieved. Supplying an X-Forwarded-For value can affect logging and login restriction decisions, enabling bypass of blocked IP or country controls. The CVSS v3.1 score is 5.3, with network attack vector and no required authentication.
Likely exposure
Exposure is likely limited to WordPress sites running IP Vault - WP Firewall versions up to and including 1.1, or the related renamed plugin identified in the CVE metadata. Sites not using those IP or country login restrictions have lower practical impact.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. Exploitation would require reaching the WordPress site and influencing request IP handling through X-Forwarded-For. The documented impact is protection bypass, not code execution or data theft.
Researcher notes
Evidence is strongest for the vulnerability class, affected plugin family, and version ceiling from the CVE description. The bundle does not provide a named fixed version, detailed patch contents, or exploit-in-the-wild confirmation, so remediation should be tied to current vendor or repository guidance.
Mitigation direction
- Inventory WordPress sites for IP Vault - WP Firewall version 1.1 or earlier.
- Check WordPress plugin and vendor guidance for a fixed version or replacement.
- Update the plugin if a fixed release is available from trusted sources.
- Disable the plugin if no supported fixed version is available.
- Avoid relying solely on plugin-level IP or country login restrictions.
- Ensure edge proxies overwrite or strip untrusted X-Forwarded-For headers.
Validation and detection
- Confirm whether the plugin is installed and record its exact version.
- Review whether IP or country login restrictions are enabled.
- Check vendor or WordPress repository history for remediation status.
- Review web and authentication logs for inconsistent client IP attribution.
- Verify trusted proxy handling of forwarded IP headers at the edge.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-348: Exact CWE lookup
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Open ATT&CK lookupCVE-2022-4536 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/66e89753-f83e-4e60-b165-6d3d101d6c59?source=cveCVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2922250%40ip-vault-wp-firewall&new=2922250%40ip-vault-wp-firewall&sfp_email=&sfph_mail=CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use of Less Trusted Source
Use of Less Trusted Source represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.