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Funnelkit CVE-2024-1056

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2024-08-29 security@wordfence.com
5.4
CVSS 3.1 · NVD
View

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 5.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction required.

Exploit ScenarioDerived

A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAI

The FunnelKit Funnel Builder Pro plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'allow_iframe_tag_in_post' function which uses the 'wp_kses_allowed_html' filter to globally. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

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

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 FunnelKit Funnel Builder Pro plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'allow_iframe_tag_in_post' function which uses the 'wp_kses_allowed_html' filter to globally allow script and iframe tags in posts in all versions up to, and including, 3.4.5. This makes it possible for authenticated attackers, with contributor access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Affected products include: Funnelkit Funnel Builder.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.4 MEDIUM
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

DescriptionNVD

The FunnelKit Funnel Builder Pro plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'allow_iframe_tag_in_post' function which uses the 'wp_kses_allowed_html' filter to globally allow script and iframe tags in posts in all versions up to, and including, 3.4.5. This makes it possible for authenticated attackers, with contributor access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Threat Intelligence Overview

EPSS Score
0.2%
Top 84% exploitable
Data Quality
2 sources
Confidence: Low

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.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +27
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

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)NVD

cpe:2.3:a:funnelkit:funnel_builder:*:*:*:*:*:wordpress:*:*
CVE-2025-1562 CRITICAL POC
9.8 Jun 18

The FunnelKit plugin for WordPress (versions ≤3.5.3) contains a critical vulnerability allowing unauthenticated attacker

CVE-2024-9186 HIGH POC
8.6 Nov 14

The Recover WooCommerce Cart Abandonment, Newsletter, Email Marketing, Marketing Automation By FunnelKit WordPress plugi

CVE-2026-12978 HIGH POC
7.1 Jul 16

Reflected Cross-Site Scripting in the FunnelKit WordPress plugin before 3.15.0.6 lets unauthenticated attackers inject a

CVE-2026-39738 CRITICAL POC
9.8 Oct 30

Unauthenticated PHP object injection in the FunnelKit Automations WordPress plugin through 3.8.6.1 lets network attacker

CVE-2026-12979 MEDIUM POC
5.5 Jul 16

Path traversal in FunnelKit WordPress plugin before 3.15.0.6 enables authenticated administrators to delete arbitrary .j

CVE-2026-42381 CRITICAL
9.3 Jun 15

SQL injection in the Funnel Builder by FunnelKit WordPress plugin (versions up to and including 3.15.0.1) allows unauthe

CVE-2026-47100 HIGH
8.7 May 19

Stored cross-site scripting via missing authorization in Funnel Builder for WooCommerce Checkout (FunnelKit) plugin vers

CVE-2022-2389 MEDIUM POC
4.3 Aug 22

The Abandoned Cart Recovery for WooCommerce, Follow Up Emails, Newsletter Builder & Marketing Automation By Autonami Wor

CVE-2024-47328 HIGH
7.6 Oct 21

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Aman FunnelKit Aut

CVE-2026-56052 HIGH
7.6 Jun 24

Blind SQL injection in FunnelKit Funnel Builder for WordPress (versions up to and including 3.15.0.5) allows authenticat

CVE-2023-50857 HIGH
7.6 Dec 28

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in FunnelKit Recover

CVE-2023-50856 HIGH
7.6 Dec 28

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in FunnelKit Funnel B

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