5.4
MEDIUM
CVE-2021-24243
WordPress WPBakery Page Builder Clipboard Cross-Site Scripting Vulnerability
Description

An AJAX action registered by the WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin before 4.5.6 did not have capability checks nor sanitization, allowing low privilege users (subscriber+) to call it and set XSS payloads, which will be triggered in all backend pages.

INFO

Published Date :

May 6, 2021, 1:15 p.m.

Last Modified :

May 13, 2021, 5:40 p.m.

Remotely Exploitable :

Yes !

Impact Score :

2.7

Exploitability Score :

2.3
Affected Products

The following products are affected by CVE-2021-24243 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 Wpbakery_page_builder_clipboard_project wpbakery_page_builder_clipboard
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-2021-24243.

URL Resource
https://codecanyon.net/item/visual-composer-clipboard/8897711 Product Third Party Advisory
https://wpscan.com/vulnerability/3bc0733a-b949-40c9-a5fb-f56814fc4af3 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-2021-24243 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-24243 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
  • Initial Analysis by [email protected]

    May. 13, 2021

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://codecanyon.net/item/visual-composer-clipboard/8897711 No Types Assigned https://codecanyon.net/item/visual-composer-clipboard/8897711 Product, Third Party Advisory
    Changed Reference Type https://wpscan.com/vulnerability/3bc0733a-b949-40c9-a5fb-f56814fc4af3 No Types Assigned https://wpscan.com/vulnerability/3bc0733a-b949-40c9-a5fb-f56814fc4af3 Exploit, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:wpbakery_page_builder_clipboard_project:wpbakery_page_builder_clipboard:*:*:*:*:*:wordpress:*:* versions from (including) 4.5.0 up to (excluding) 4.5.6
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-2021-24243 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-2021-24243 weaknesses.

Exploit Prediction

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

0.05 }} 0.00%

score

0.19206

percentile

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