Known vulnerabilities in All 404 Redirect to Homepage

Using this plugin, you can fix all 404 error links by redirecting them to homepage using the SEO 301 redirection. Improve your SEO rank & pages speed

3Reported vulnerabilities

6.5Highest CVSS score

5.6Latest version

200,000+Active installs

What to do now

Update All 404 Redirect to Homepage to 2.1 or later. 3 of these have a fixed version available. Updating resolves them.

Plugin last updated: April 6, 2026 / Tested up to WordPress: 6.9.7 / 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-2021-24324	Medium 6.5	0.6%	1.3 and earlier	`1.4`	May 17, 2021
CVE-2021-24326	Medium 5.4	0.6%	Before 1.21	`1.21`	May 17, 2021
WF-0f01c9c8-acd4-44c0-8866-a0a819828006	Medium 5.5	—	2.0 and earlier	`2.1`	June 1, 2021

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