CVE-2021-42362
"WordPress Popular Posts File Upload Command Execution Vulnerability"
Description
The WordPress Popular Posts WordPress plugin is vulnerable to arbitrary file uploads due to insufficient input file type validation found in the ~/src/Image.php file which makes it possible for attackers with contributor level access and above to upload malicious files that can be used to obtain remote code execution, in versions up to and including 5.3.2.
INFO
Published Date :
Nov. 17, 2021, 6:15 p.m.
Last Modified :
Sept. 16, 2024, 7:16 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2021-42362 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-42362
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.
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-2021-42362.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/165376/WordPress-Popular-Posts-5.3.2-Remote-Code-Execution.html | Exploit Third Party Advisory VDB Entry |
| https://blog.nintechnet.com/improper-input-validation-fixed-in-wordpress-popular-posts-plugin/ | Exploit Third Party Advisory |
| https://github.com/cabrerahector/wordpress-popular-posts/commit/d9b274cf6812eb446e4103cb18f69897ec6fe601 | |
| https://plugins.trac.wordpress.org/changeset/2542638/wordpress-popular-posts/trunk/src/Image.php | Patch Third Party Advisory |
| https://wpscan.com/vulnerability/bd4f157c-a3d7-4535-a587-0102ba4e3009 | Third Party Advisory |
| https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42362 | 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).
Imoro Umar Farouq's report on Internal Network Penetration Testing
Shell
Wordpress Most Popular Post plugin vuln
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-42362 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-42362 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]
Sep. 16, 2024
Action Type Old Value New Value Changed Description The WordPress Popular Posts WordPress plugin is vulnerable to arbitrary file uploads due to insufficient input file type validation found in the ~/src/Image.php file which makes it possible for attackers with contributor level access and above to upload malicious files that can be used to obtain remote code execution, in versions up to and including 5.3.2. The WordPress Popular Posts WordPress plugin is vulnerable to arbitrary file uploads due to insufficient input file type validation found in the ~/src/Image.php file which makes it possible for attackers with contributor level access and above to upload malicious files that can be used to obtain remote code execution, in versions up to and including 5.3.2. -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 22, 2023
Action Type Old Value New Value Changed Description The WordPress Popular Posts WordPress plugin is vulnerable to arbitrary file uploads due to insufficient input file type validation found in the ~/src/Image.php file which makes it possible for attackers with contributor level access and above to upload malicious files that can be used to obtain remote code execution, in versions up to and including 5.3.2. The WordPress Popular Posts WordPress plugin is vulnerable to arbitrary file uploads due to insufficient input file type validation found in the ~/src/Image.php file which makes it possible for attackers with contributor level access and above to upload malicious files that can be used to obtain remote code execution, in versions up to and including 5.3.2. Added Reference Wordfence https://github.com/cabrerahector/wordpress-popular-posts/commit/d9b274cf6812eb446e4103cb18f69897ec6fe601 [No types assigned] -
Modified Analysis by [email protected]
Dec. 21, 2021
Action Type Old Value New Value Changed Reference Type http://packetstormsecurity.com/files/165376/WordPress-Popular-Posts-5.3.2-Remote-Code-Execution.html No Types Assigned http://packetstormsecurity.com/files/165376/WordPress-Popular-Posts-5.3.2-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry -
CVE Modified by [email protected]
Dec. 20, 2021
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/165376/WordPress-Popular-Posts-5.3.2-Remote-Code-Execution.html [No Types Assigned] -
Initial Analysis by [email protected]
Nov. 18, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:P) Changed Reference Type https://blog.nintechnet.com/improper-input-validation-fixed-in-wordpress-popular-posts-plugin/ No Types Assigned https://blog.nintechnet.com/improper-input-validation-fixed-in-wordpress-popular-posts-plugin/ Exploit, Third Party Advisory Changed Reference Type https://plugins.trac.wordpress.org/changeset/2542638/wordpress-popular-posts/trunk/src/Image.php No Types Assigned https://plugins.trac.wordpress.org/changeset/2542638/wordpress-popular-posts/trunk/src/Image.php Patch, Third Party Advisory Changed Reference Type https://wpscan.com/vulnerability/bd4f157c-a3d7-4535-a587-0102ba4e3009 No Types Assigned https://wpscan.com/vulnerability/bd4f157c-a3d7-4535-a587-0102ba4e3009 Third Party Advisory Changed Reference Type https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42362 No Types Assigned https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42362 Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:wordpress_popular_posts_project:wordpress_popular_posts:*:*:*:*:*:wordpress:*:* versions up to (including) 5.3.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-42362 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-2021-42362
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
96.11 }} 0.09%
score
0.99545
percentile