Description

WordPress Plugin Simple 301 Redirects by BetterLinks is prone to multiple security bypass vulnerabilities. Exploiting these issues may allow attackers to perform otherwise restricted actions and subsequently set redirects that would deny access to the site, or install and activate arbitrary plugins. WordPress Plugin Simple 301 Redirects by BetterLinks versions starting from 2.0.0 and up to (and including) 2.0.3 are vulnerable.

Remediation

Update to plugin version 2.0.4 or latest

References

https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/

https://plugins.svn.wordpress.org/simple-301-redirects/trunk/readme.txt

Related Vulnerabilities

Dolibarr Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2020-7994)

WordPress Plugin GA Backend Tracking Cross-Site Scripting (1.2)

WordPress Plugin Photo Gallery, Images, Slider in Rbs Image Gallery Cross-Site Scripting (3.2.12)

Python Integer Overflow or Wraparound Vulnerability (CVE-2016-9063)

IBM WebSEAL Incorrect Default Permissions Vulnerability (CVE-2024-35139)

Severity

High

Classification

CVE-2021-24352 CVE-2021-24353 CVE-2021-24354 CVE-2021-24355 CVE-2021-24356 CWE-264 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N

Tags

Missing Update Authentication Bypass