WP Vulnerability WatchVulnerability data as of September 7, 2026

Known vulnerabilities in 301 Redirects & 404 Error Log

Create & manage 301 redirects. Easily test redirects. Includes 404 error log.

2Reported vulnerabilities
9Highest CVSS score
1.05Latest version
30,000+Active installs

What to do now

Update 301 Redirects & 404 Error Log to 2.51 or later. 2 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 15, 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.

CVESeverityExploit probability
next 30 days
Affected versionsFixed inPublished
CVE-2019-19915 Critical 9 0.9% Before 2.45 2.45 December 19, 2019
CVE-2021-24142 High 7.2 1.2% Before 2.51 2.51 March 18, 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.