Vulnerability · Published Aug 6, 2026 · Assigned by Patchstack

CVE-2026-66683WordPress Custom CSS and JavaScript plugin <= 2.0.16 - Sensitive Data Exposure vulnerability

Medium 5.3

In plain English

A medium-severity security flaw in Custom CSS and JavaScript from WP Zone. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 73.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Unauthenticated Sensitive Data Exposure in Custom CSS and JavaScript <= 2.0.16 versions.

Affected products (as reported)

VendorProductVersions
WP Zone Custom CSS and JavaScript n/a – through 2.0.16

Weakness: CWE-201 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References