Security readout for executives and security teams
Plain-English summary
CVE-2018-11366 is a stored cross-site scripting flaw in the WordPress Loginizer plugin versions 1.3.8 through 1.3.9. An unauthenticated actor could cause malicious content to be stored through mishandled logging. The issue is reported fixed in Loginizer 1.4.0.
Executive priority
Prioritize remediation for public WordPress sites, especially business-critical sites with active administrators. The fix path is straightforward, but severity scoring and exploitation evidence are incomplete in the provided sources.
Technical view
The vulnerability is unauthenticated stored XSS in Loginizer's init.php due to improper handling of logged data. The source bundle identifies affected versions 1.3.8 through 1.3.9 and a fix in 1.4.0. No CVSS, CWE, or CISA KEV entry is provided.
Likely exposure
Exposure is limited to WordPress sites running Loginizer plugin versions 1.3.8 or 1.3.9. Sites not using Loginizer, or running version 1.4.0 or later, are not indicated as affected by the provided sources.
Exploitation context
The sources describe unauthenticated stored XSS but do not show CISA KEV listing or confirmed active exploitation. Business risk depends on whether a privileged WordPress user views stored malicious log content and on the privileges available in that session.
Researcher notes
Focus validation on version confirmation and safe review of log rendering behavior. Do not assume broader Loginizer versions are affected beyond 1.3.8 through 1.3.9 unless vendor or advisory evidence supports it.
Mitigation direction
- Upgrade Loginizer to version 1.4.0 or later.
- Disable or remove Loginizer if it is unused.
- Check the WordPress plugin changelog and vendor guidance.
- Restrict WordPress admin access to trusted users and networks where practical.
Validation and detection
- Inventory WordPress sites for the Loginizer plugin.
- Confirm installed Loginizer versions are not 1.3.8 or 1.3.9.
- Review WordPress security logs for unusual entries around the exposure window.
- Verify admin pages render stored log data safely after upgrade.
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.
CVE-2018-11366 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://wordpress.org/plugins/loginizer/#developersCVE reference · x_refsource_MISC
- https://plugins.trac.wordpress.org/changeset/1878502/loginizerCVE reference · x_refsource_MISC
- https://blog.dewhurstsecurity.com/2018/05/22/loginizer-wordpress-plugin-xss-vulnerability.htmlCVE reference · x_refsource_MISC
- https://wpvulndb.com/vulnerabilities/9088CVE 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.