Security readout for executives and security teams
Plain-English summary
A WordPress plugin used to restrict site access by visitor IP could be bypassed in versions before 7.3.2. The issue comes from trusting certain HTTP headers for the visitor IP instead of the server-provided address. This can weaken IP-based access controls.
Executive priority
Prioritize remediation for public WordPress sites where this plugin protects sensitive pages or administrative workflows. The issue is not rated critical, but it can undermine a business control if IP restriction is the only barrier.
Technical view
Restricted Site Access before 7.3.2 derives client IP from selected HTTP headers ahead of PHP REMOTE_ADDR. In affected deployments, that can let an unauthenticated remote user bypass IP-based limitations. CVSS 3.1 is 5.3: network, low complexity, no privileges, no user interaction, integrity impact only.
Likely exposure
Exposure is likely limited to WordPress sites running Restricted Site Access before 7.3.2 and relying on IP restrictions for access control. Sites not using this plugin, not using IP-based restrictions, or already updated are not indicated as affected by the provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates unauthenticated network reachability and low attack complexity, but the bypass depends on deployment-specific IP handling conditions.
Researcher notes
The bundle identifies CWE-639, but the described root cause is client IP trust through HTTP headers. The affected-version data is inconsistent: the title and description say before 7.3.2, while one affected entry lists 7.3.2. Treat version scoping carefully.
Mitigation direction
- Update Restricted Site Access to 7.3.2 or later.
- Confirm WordPress plugin inventories across all managed sites.
- Review vendor guidance before relying on alternative mitigations.
- Avoid treating IP restriction as the only control for sensitive content.
Validation and detection
- Identify sites with Restricted Site Access installed.
- Confirm installed plugin versions are 7.3.2 or later.
- Check whether restricted routes rely on IP-based allow or deny rules.
- Review access logs for unexpected access to restricted content.
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-639: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-1613 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://wpscan.com/vulnerability/c03863ef-9ac9-402b-8f8d-9559c9988e2bCVE reference · x_refsource_MISC
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.
Authorization Bypass Through User-Controlled Key
Authorization Bypass Through User-Controlled Key represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.