PT-2021-15889 · Betterlinks · Simple 301 Redirects

Chloe Chamberland · Published 2021-06-14 · Updated 2023-01-20 · CVE-2021-24353

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H

Name of the Vulnerable Software and Affected Versions Simple 301 Redirects by BetterLinks WordPress plugin versions prior to 2.0.4

Description The issue concerns the import data function, which lacks capability and nonce checks. This allows unauthenticated users to import site redirects.

Recommendations For versions prior to 2.0.4, update to version 2.0.4 or later to resolve the issue. As a temporary workaround, consider disabling the import data function until a patch is available.

Exploit

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2021-24353

Affected Products

Simple 301 Redirects

References · 6

• 🔥 https://wpscan.com/vulnerability/74c23d56-e81f-47e9-bf8b-33d3f0e81894 · Exploit
• 🔥 https://wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-24353 · Security Note
• https://osv.dev/vulnerability/CVE-2021-24353 · Vendor Advisory
• https://t.me/cvenotify/16243 · Telegram Post
• https://t.me/cvenotify/33917 · Telegram Post