CVE-2026-66602: HashBar – WordPress Notification Bar n/a through 2.0.0; status changes: 2.0.1 — unaffected

CVE-2026-66602. CVSS 3.1 base score 8.8 (HIGH, Vendor/CNA). EPSS 0.00201 (percentile 0.09405), scored 21-Oct-2026.

Affected technology

HashBar – WordPress Notification Bar · n/a through 2.0.0; status changes: 2.0.1 — unaffected
DevItems

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · User interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 8.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 22-Oct-2026 20:55 UTC

CWE: CWE-352
CCR priority: 35.3 /100 (P4)
CVSS 3.1: 8.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00201 · percentile 0.09405 · 2026-10-21
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-22 20:50:20.011821+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-66602.html