CVE-2026-12424
Deferred Deferred - Pending Action

Stored XSS in ARforms WordPress Plugin via Referer Header

Publication date: 2026-11-11

Last updated on: 2026-11-11

Assigner: Wordfence

Description
The ARforms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Referer Header in all versions up to, and including, 7.2.4 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. The arf_save_incomplete_form_data() AJAX handler is registered with wp_ajax_nopriv_, meaning unauthenticated attackers can store a malicious payload by submitting a partial form entry with a forged Referer header, with no authentication required at any step.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-11-11
Last Modified
2026-11-11
Generated
2026-11-11
AI Q&A
2026-11-11
EPSS Evaluated
N/A
NVD
CVE-2026-12424
EUVD
EUVD-2026-123270

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
n/a ARforms From 0 (inc) to 7.2.4 (inc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

The ARforms WordPress plugin up to version 7.2.4 has a stored cross-site scripting vulnerability via the Referer header. This happens because the plugin does not properly sanitize input or escape output. Unauthenticated attackers can exploit this by submitting a partial form with a malicious script in the Referer header. The malicious script then executes when other users access the affected page.

Detection Guidance

This vulnerability is specific to the ARforms WordPress plugin and cannot be detected via general network or system commands. Check for the presence of the ARforms plugin version 7.2.4 or earlier in your WordPress installation. Inspect HTTP request logs for unusual Referer headers or partial form submissions from unauthenticated users.

Impact Analysis

This vulnerability allows attackers to inject malicious scripts into web pages. If you visit an infected page, the script could steal your cookies, session tokens, or other sensitive data. It could also redirect you to phishing sites or perform actions on your behalf without your knowledge.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's data protection principles or HIPAA's security requirements. If exploited, it may result in data breaches, triggering legal penalties, fines, or reputational damage for organizations handling sensitive user data.

Mitigation Strategies

Immediately update the ARforms plugin to the latest version beyond 7.2.4. If an update is unavailable, consider disabling or removing the plugin until a patch is released. Monitor your WordPress site for suspicious scripts or unauthorized form submissions.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-12424. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart

Security Radar

News mentioning this vulnerability
Loading related security news...