Arforms Form Builder
CVE-2023-6828
HIGH
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 7.2 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 1.09%. |
| Exploit ScenarioDerived | A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAIv1 – Mar 28, 2026
The Contact Form, Survey & Popup Form Plugin for WordPress - ARForms Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘ arf_http_referrer_url’ parameter in all. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Earlier versions of this analysis (1)
Stored XSS in ARForms.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. 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
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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 Contact Form, Survey & Popup Form Plugin for WordPress - ARForms Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘ arf_http_referrer_url’ parameter in all versions up to, and including, 1.5.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Affected products include: Reputeinfosystems Arforms Form Builder.
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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:N/UI:N/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
The Contact Form, Survey & Popup Form Plugin for WordPress - ARForms Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘ arf_http_referrer_url’ parameter in all versions up to, and including, 1.5.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Executive ViewAI
Organizations using all face moderate risk from CVE-2023-6828, a cross-site scripting vulnerability rated CVSS 7.2. Attackers could inject malicious scripts to steal user sessions, credentials, or perform actions on behalf of authenticated users. Organizations should apply vendor updates when available and consider compensating controls in the interim.
Apply vendor patch. If immediate patching is not feasible: (1) Implement Content-Security-Policy headers; (2) Enable HttpOnly and SameSite cookie attributes; (3) Deploy WAF XSS/CSRF rules.
Threat Intelligence Overview
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
More in Arforms Form Builder
View allMissing Authorization vulnerability in Repute InfoSystems ARForms Form Builder.6.1. Rated high severity (CVSS 7.6), this
Cross-Site Request Forgery (CSRF) vulnerability in Repute InfoSystems ARForms Form Builder.6.1. Rated medium severity (C
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Repute Info
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in reputeinfosystems ARForms
NVD
CVE.org
EPSS
VulDB
GitHub PoC
Exploit-DB