Vulnerability · Published Jun 14, 2021 · Assigned by WPScan

CVE-2021-24356Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Arbitrary Plugin Activation

High 8.8

In plain English

A high-severity missing authorization in Simple 301 Redirects by BetterLinks from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.6% (higher than 85% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)2.6%top 14.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC

Official description

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.

Affected products (as reported)

VendorProductVersions
Unknown Simple 301 Redirects by BetterLinks 2.0.0 – before 2.0.0*2.0.4 – before 2.0.4

Weakness: CWE-862

References