The simple-301-redirects-addon-bulk-uploader plugin before 1.2.5 for WordPress has no protection against 301 redirect rule injection via a CSV file.
https://wpvulndb.com/vulnerabilities/9503
https://wordpress.org/plugins/simple-301-redirects-addon-bulk-uploader/#developers
https://threatpost.com/wordpress-plugins-exploited-in-ongoing-attack-researchers-warn/147671/
Source: Mitre, NVD
Published: 2019-08-29
Updated: 2026-06-17
Base Score: 5.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00201