What’s Vulnerable › Vulnerabilities

CVE-2021-24352: Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Unauthenticated Redirect Export

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-06-14 · updated 2026-06-17
• Weakness: CWE-862

Description

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.

Affected products

• Simple 301 Redirects by BetterLinks: from 2.0.0 before 2.0.4 — fixed in 2.0.4

How to fix

Upgrade to a fixed version: Simple 301 Redirects by BetterLinks 2.0.4. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/d770f1fa-7652-465a-833c-b7178146847d
• https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/
• https://wpscan.com/vulnerability/d770f1fa-7652-465a-833c-b7178146847d
• https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/

Get alerted when CVE-2021-24352 or the next vulnerability affects your stack