Known vulnerabilities in HashBar – Announcement, Notification Bar & Popup Campaign

Create Announcement Bars, Notification Bars & Popup Campaigns with countdown timers, A/B testing, smart targeting & analytics.

2Reported vulnerabilities

8.8Highest CVSS score

2.0.1Latest version

9,000+Active installs

What to do now

Update HashBar – Announcement, Notification Bar & Popup Campaign to 2.0.1 or later. 2 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 17, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2026-66602	High 8.8	0.1%	2.0.0 and earlier	`2.0.1`	August 18, 2026
CVE-2023-51372	Medium 4.8	0.3%	1.4.1 and earlier	`1.4.2`	December 29, 2023

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.