CVE-2026-66683

MEDIUM 5.3

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

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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

CWE	CWE-201
Vendor	wp zone
Product	custom css and javascript
Published	Aug 6, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

WP Zone / Custom CSS and JavaScript

n/a ≤ 2.0.16

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/custom-css-and-javascript/vulnerability/wordpress-custom-css-and-javascript-plugin-2-0-16-sensitive-data-exposure-vulnerability?_s_id=cve

Credits

Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program