Known vulnerabilities in WP BrowserUpdate

This plugin notifies website visitors to update their outdated browser in a non-intrusive way.

2Reported vulnerabilities

4.8Highest CVSS score

6.0.1Latest version

1,000+Active installs

What to do now

Update WP BrowserUpdate to 4.6 or later. 2 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 13, 2026 / Tested up to WordPress: 7.1 / 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-2023-28690	Medium 4.8	0.4%	4.5 and earlier	`4.6`	April 26, 2023
CVE-2023-31078	Medium 4.3	0.3%	4.4.1 and earlier	`4.5`	April 24, 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.