CVE-2026-66683 Details
Description
Unauthenticated Sensitive Data Exposure in Custom CSS and JavaScript <= 2.0.16 versions.
A vulnerability allowing unauthenticated sensitive data exposure exists in the WordPress Custom CSS and JavaScript plugin, in versions through 2.0.16. This vulnerability could allow malicious actors to access sensitive information that is not typically available to regular users, potentially leading to the exploitation of other weaknesses within the system.
Users are advised to update the Custom CSS and JavaScript plugin to the latest version. If unable to do so, contact the hosting provider or web developer for assistance.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Aug 6, 2026CISA-ADP
Assessed Aug 6, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-201 | Insertion of Sensitive Information Into Sent Data | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Custom CSS and JavaScript | <= 2.0.16 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 6, 2026 | CVE Modified | CISA-ADP |
| Aug 6, 2026 | New CVE Received | [email protected] |