Wpforms
CVE-2024-13403
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 6.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. EPSS exploitation probability: 0.21%. |
| Exploit ScenarioDerived | A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. |
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Alert meAnalysisAIv1 – Mar 28, 2026
The WPForms - Easy Form Builder for WordPress - Contact Forms, Payment Forms, Surveys, & More plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘fieldHTML’ parameter in all. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. The WPForms - Easy Form Builder for WordPress - Contact Forms, Payment Forms, Surveys, & More plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘fieldHTML’ parameter in all versions up to, and including, 1.9.3.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Affected products include: Wpforms.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
The WPForms - Easy Form Builder for WordPress - Contact Forms, Payment Forms, Surveys, & More plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘fieldHTML’ parameter in all versions up to, and including, 1.9.3.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Executive ViewAI
Organizations using all should be aware of moderate risk from CVE-2024-13403, a cross-site scripting vulnerability rated CVSS 6.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users. A patch is available and should be applied during regular vulnerability management.
Apply vendor patch. If patching is delayed: implement CSP headers, enable HttpOnly cookies, deploy WAF XSS rules.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)CVE.org
The WPForms Pro WordPress plugin before 1.7.7 does not validate its form data when generating the exported CSV, which co
The Contact Form & SMTP Plugin by PirateForms plugin for WordPress is vulnerable to HTML injection in the ‘public/class-
Unauthenticated attackers can force full refunds and immediate subscription cancellations on WordPress sites running the
Unauthenticated shortcode injection in WPForms Lite (versions 1.5.0.1 through 2.0.2) lets remote attackers execute arbit
The Contact Form & SMTP Plugin for WordPress by PirateForms WordPress plugin before 2.6.0 does not sanitise and escape s
WPForms 1.7.8 contains a cross-site scripting vulnerability in the slider import search feature and tab parameter. Attac
A stored cross-site scripting (XSS) vulnerability exists in the WPForms Contact Form (aka wpforms-lite) plugin before 1.
The WPForms WordPress plugin before 1.9.2.3 does not sanitise and escape some of its settings, which could allow high pr
The WPForms WordPress plugin before 1.9.1.6 does not sanitise and escape some of its settings, which could allow high pr
Stored Cross-Site Scripting in WPForms Pro for WordPress (all versions through 2.0.0.2) allows unauthenticated remote at
The WPForms plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on
Unauth. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low at
GitHub PoC
Exploit-DB