CVE-2021-4422
WordPress POST SMTP Mailer CSRF
Description
The POST SMTP Mailer plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.0.20. This is due to missing or incorrect nonce validation on the handleCsvExport() function. This makes it possible for unauthenticated attackers to trigger a CSV export via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
INFO
Published Date :
July 12, 2023, 7:15 a.m.
Last Modified :
Nov. 7, 2023, 3:40 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2021-4422 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2021-4422.
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).
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poc scanner subdomain vulnerability-scanners
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-4422 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-4422 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 -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Removed CWE Wordfence CWE-352 -
Initial Analysis by [email protected]
Jul. 19, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Changed Reference Type https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/ No Types Assigned https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/ Third Party Advisory Changed Reference Type https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/ No Types Assigned https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/ Third Party Advisory Changed Reference Type https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/ No Types Assigned https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/ Third Party Advisory Changed Reference Type https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/ No Types Assigned https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/ Third Party Advisory Changed Reference Type https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/ No Types Assigned https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/ Third Party Advisory Changed Reference Type https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/ No Types Assigned https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/ Third Party Advisory Changed Reference Type https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/ No Types Assigned https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/ Third Party Advisory Changed Reference Type https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2473579%40post-smtp&new=2473579%40post-smtp&sfp_email=&sfph_mail= No Types Assigned https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2473579%40post-smtp&new=2473579%40post-smtp&sfp_email=&sfph_mail= Patch Changed Reference Type https://www.wordfence.com/threat-intel/vulnerabilities/id/e018ca7c-06dd-4d40-91d4-4ed188b8aaf2?source=cve No Types Assigned https://www.wordfence.com/threat-intel/vulnerabilities/id/e018ca7c-06dd-4d40-91d4-4ed188b8aaf2?source=cve Third Party Advisory Added CWE NIST CWE-352 Added CPE Configuration OR *cpe:2.3:a:wpexperts:post_smtp_mailer:*:*:*:*:*:wordpress:*:* versions up to (including) 2.0.20
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-4422 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-2021-4422
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.14 }} 0.02%
score
0.50922
percentile