Security readout for executives and security teams
Plain-English summary
CVE-2026-4268 affects the WP Go Maps WordPress plugin up to version 10.0.05. A logged-in low-privilege user, such as a Subscriber, may be able to save malicious JavaScript into plugin settings. That script could run when someone views affected pages, creating risk to site administrators and visitors.
Executive priority
Treat as a near-term WordPress hygiene issue, not an emergency based on current evidence. Prioritize public sites with user registration, many low-privilege accounts, or administrator exposure to plugin pages.
Technical view
The issue is stored cross-site scripting in the wpgmza_custom_js parameter. Sources cite insufficient sanitization, insufficient output escaping, and a missing capability check in the admin_post_wpgmza_save_settings hook handler. The CVSS 3.1 score is 6.4, with low privileges required and changed scope.
Likely exposure
Exposure is limited to WordPress sites running WP Go Maps, formerly WP Google Maps, at versions up to and including 10.0.05. Risk is higher where untrusted users can register or hold Subscriber-level accounts.
Exploitation context
The source bundle does not show CISA KEV listing or cited active exploitation. Exploitation requires an authenticated account, but Subscriber-level access is often easier to obtain on public WordPress sites with registration enabled.
Researcher notes
The public record identifies the vulnerable parameter and hook but does not provide a fixed version in the supplied sources. Avoid assuming patch status beyond “affected through 10.0.05.” Validate by version, configuration, and presence of suspicious saved custom JavaScript.
Mitigation direction
- Identify all WordPress sites using WP Go Maps.
- Check whether plugin version is 10.0.05 or earlier.
- Review vendor or WordPress plugin guidance for a fixed release.
- Update the plugin when a fixed version is available.
- Restrict or disable untrusted user registration where not needed.
- Remove unnecessary Subscriber or higher user accounts.
Validation and detection
- Inventory WP Go Maps installations and versions.
- Confirm whether public registration is enabled on affected sites.
- Review WP Go Maps custom JavaScript settings for unexpected content.
- Check logs for low-privilege access to admin-post settings actions.
- Verify remediation against vendor guidance after updating.
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2026-4268 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
- 6.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/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:L/UI:N/S:C/C:L/I:L/A:N3.12.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.