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Simple 301 Redirects By BetterLinks vulnerabilities

Simple 301 Redirects By BetterLinks has 5 known vulnerabilities in this database. The most recent published record is dated 14 Jun 2021.

Known vulnerabilities
5
Active installs
100,000+
Latest version
2.1.0
Last updated
20 May 2026
Most recent
14 Jun 2021

Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.

VulnerabilitySeverityAffectedFixPublished
Broken access control
CVE-2021-24352
High 8.8Before 2.0.4Fixed in 2.0.414 Jun 2021
Broken access control
CVE-2021-24353
High 8.8Before 2.0.4Fixed in 2.0.414 Jun 2021
Broken access control
CVE-2021-24354
High 8.8Before 2.0.4Fixed in 2.0.414 Jun 2021
Broken access control
CVE-2021-24355
Medium 4.3Before 2.0.4Fixed in 2.0.414 Jun 2021
Broken access control
CVE-2021-24356
High 8.8Before 2.0.4Fixed in 2.0.414 Jun 2021
Read the published descriptions
CVE-2021-24352, 14 Jun 2021
The export_data function of the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4 had no capability or nonce checks making it possible for unauthenticated users to export a site's redirects. CVE record
CVE-2021-24353, 14 Jun 2021
The import_data function of the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4 had no capability or nonce checks making it possible for unauthenticated users to import a set of site redirects. CVE record
CVE-2021-24354, 14 Jun 2021
A lack of capability checks and insufficient nonce check on the AJAX action in the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, made it possible for authenticated users to install arbitrary plugins on vulnerable sites. CVE record
CVE-2021-24355, 14 Jun 2021
In the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, the lack of capability checks and insufficient nonce check on the AJAX actions, simple301redirects/admin/get_wildcard and simple301redirects/admin/wildcard, made it possible for authenticated users to retrieve and update the wildcard value for redirects. CVE record
CVE-2021-24356, 14 Jun 2021
In the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, a lack of capability checks and insufficient nonce check on the AJAX action, simple301redirects/admin/activate_plugin, made it possible for authenticated users to activate arbitrary plugins installed on vulnerable sites. CVE record

What to do if you run Simple 301 Redirects By BetterLinks

If you run Simple 301 Redirects By BetterLinks, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.

If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.

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