8.8
HIGH
CVE-2021-24354
WordPress BetterLinks Plugin Stored Cross-Site Scripting (XSS)
Description

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.

INFO

Published Date :

June 14, 2021, 2:15 p.m.

Last Modified :

May 3, 2022, 1:05 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2021-24354 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Wpdeveloper simple_301_redirects
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-24354.

URL Resource
https://wpscan.com/vulnerability/8638b36c-6641-491f-b9df-5db3645e4668 Exploit Third Party Advisory
https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/ Exploit Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-24354 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-24354 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    May. 03, 2022

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 27, 2022

    Action Type Old Value New Value
    Removed CWE WPScan CWE-269
    Added CWE WPScan CWE-862
    Removed CWE Reason CWE-269 / More specific CWE option available
  • Reanalysis by [email protected]

    Apr. 26, 2022

    Action Type Old Value New Value
    Removed CWE NIST CWE-269
    Added CWE NIST CWE-862
  • Modified Analysis by [email protected]

    Sep. 20, 2021

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jun. 22, 2021

    Action Type Old Value New Value
    Removed CWE WPScan CWE-284
    Added CWE WPScan CWE-269
    Removed CWE Reason CWE-284 / More specific CWE option available
  • Initial Analysis by [email protected]

    Jun. 21, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://wpscan.com/vulnerability/8638b36c-6641-491f-b9df-5db3645e4668 No Types Assigned https://wpscan.com/vulnerability/8638b36c-6641-491f-b9df-5db3645e4668 Exploit, Third Party Advisory
    Changed Reference Type https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/ No Types Assigned https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/ Exploit, Third Party Advisory
    Added CWE NIST CWE-269
    Added CPE Configuration OR *cpe:2.3:a:wpdeveloper:simple_301_redirects:*:*:*:*:*:wordpress:*:* versions from (including) 2.0.0 up to (excluding) 2.0.4
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-24354 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-24354 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.11 }} -0.00%

score

0.44165

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability