8.1
HIGH CVSS 3.1
CVE-2025-8420
WordPress Request a Quote Form Plugin Remote Code Execution Vulnerability
Description

The Request a Quote Form plugin for WordPress is vulnerable to Remote Code Execution in version less than, or equal to, 2.5.2 via the emd_form_builder_lite_pagenum function. This is due to the plugin not properly validating user input before using it as a function name. This makes it possible for unauthenticated attackers to execute code on the server, however, parameters can not be passed to the functions called.

INFO

Published Date :

Aug. 6, 2025, 3:15 a.m.

Last Modified :

Aug. 6, 2025, 8:23 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2025-8420 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.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
Solution
Update the Request a Quote Form plugin to a version that resolves the remote code execution vulnerability.
  • Update the Request a Quote Form plugin to the latest version.
  • Verify the plugin version is 2.5.3 or higher.
  • Ensure proper input validation is implemented.
  • Monitor server for unauthorized code execution.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-8420 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-2025-8420 weaknesses.

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-2025-8420 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-8420 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.

  • New CVE Received by [email protected]

    Aug. 06, 2025

    Action Type Old Value New Value
    Added Description The Request a Quote Form plugin for WordPress is vulnerable to Remote Code Execution in version less than, or equal to, 2.5.2 via the emd_form_builder_lite_pagenum function. This is due to the plugin not properly validating user input before using it as a function name. This makes it possible for unauthenticated attackers to execute code on the server, however, parameters can not be passed to the functions called.
    Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-95
    Added Reference https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3338854%40request-a-quote&new=3338854%40request-a-quote&sfp_email=&sfph_mail=
    Added Reference https://www.wordfence.com/threat-intel/vulnerabilities/id/601aa2b5-aeac-49bc-960d-4b4ff83e9229?source=cve
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.
Vulnerability Scoring Details
Base CVSS Score: 8.1
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact