Security readout for executives and security teams
Plain-English summary
CVE-2026-1675 affects the Advanced Country Blocker WordPress plugin through version 2.3.1. Sites that kept the plugin’s default bypass secret may let unauthenticated visitors bypass country-based blocking. This does not grant admin access, but it can defeat a business control used to restrict traffic by geography.
Executive priority
Treat this as a moderate-priority web control bypass. Prioritize sites that depend on country blocking for fraud reduction, compliance segmentation, or abuse prevention. It is less urgent than remote code execution or data theft vulnerabilities, but should be remediated promptly where the plugin enforces business policy.
Technical view
The plugin used a predictable default value for a secret bypass key created during installation and did not require administrators to change it. An unauthenticated attacker who knows that default can access URLs despite the geolocation blocking mechanism. The CVSS 3.1 score is 5.3, with low integrity impact and no confidentiality or availability impact stated.
Likely exposure
WordPress sites using Advanced Country Blocker up to and including 2.3.1 are potentially exposed, especially if administrators did not change the default bypass key after installation. Exposure is limited to bypassing the plugin’s geolocation blocking function, based on the provided sources.
Exploitation context
The issue is network-accessible, low-complexity, and requires no authentication or user interaction. The source bundle does not indicate active exploitation, and the CVE is not listed as KEV. Attackers would need knowledge of the default bypass behavior and a target using the vulnerable configuration.
Researcher notes
Sources identify CWE-1188 and point to plugin code locations and a WordPress changeset. The provided data does not clearly name a fixed version. Validate exposure by configuration review rather than public probing. Avoid assuming broader WordPress compromise; the documented impact is bypass of geolocation blocking.
Mitigation direction
- Identify WordPress sites running Advanced Country Blocker through version 2.3.1.
- Change any default bypass secret key to a strong unique value.
- Check the plugin repository or vendor guidance for an updated fixed release.
- Do not rely on this plugin alone for high-risk access restrictions.
- Temporarily disable the bypass feature if business operations allow.
Validation and detection
- Inventory installed Advanced Country Blocker versions across WordPress environments.
- Review plugin settings for unchanged default bypass secrets.
- Confirm geolocation blocking works without using any documented bypass mechanism.
- Review web logs for suspicious requests targeting bypass behavior.
- Track Wordfence and WordPress plugin repository updates for fix confirmation.
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-1188: 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 lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-1675 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/30747988-83f9-41f9-9bc5-1f533bc4cb94?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/advanced-country-blocker/tags/2.3.1/advanced-country-blocking.php#L278CVE reference
- https://plugins.trac.wordpress.org/changeset/3455225/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.
Initialization of a Resource with an Insecure Default
Initialization of a Resource with an Insecure Default represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.