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Chatwoot CVE-2024-0640

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2025-03-20 security@huntr.dev
4.8
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 4.8 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, user interaction required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.06%.

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).
Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

A stored cross-site scripting (XSS) vulnerability exists in chatwoot/chatwoot versions 3.0.0 to 3.5.1. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

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. A stored cross-site scripting (XSS) vulnerability exists in chatwoot/chatwoot versions 3.0.0 to 3.5.1. This vulnerability allows an admin user to inject malicious JavaScript code via the dashboard app settings, which can then be executed by another admin user when they access the affected dashboard app. The issue is fixed in version 3.5.2. Affected products include: Chatwoot. Version information: version 3.5.2..

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.8 MEDIUM
AV:N/AC:L/PR:H/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
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

3
Patch released
Mar 28, 2026 - 18:32 nvd
Patch available
PoC Detected
Oct 28, 2025 - 18:15 vuln.today
Public exploit code
CVE Published
Mar 20, 2025 - 10:15 nvd
MEDIUM 4.8

DescriptionCVE.org

A stored cross-site scripting (XSS) vulnerability exists in chatwoot/chatwoot versions 3.0.0 to 3.5.1. This vulnerability allows an admin user to inject malicious JavaScript code via the dashboard app settings, which can then be executed by another admin user when they access the affected dashboard app. The issue is fixed in version 3.5.2.

Executive ViewAI

Why It Matters

Organizations using chatwoot/chatwoot should be aware of moderate risk from CVE-2024-0640, a cross-site scripting vulnerability rated CVSS 4.8. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Proof-of-concept code is publicly available. A patch is available and should be applied during regular vulnerability management.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: implement CSP headers, enable HttpOnly cookies, deploy WAF XSS rules.

Threat Intelligence Overview

EPSS Score
0.1%
Top 82% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium

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 Yes
EPSS 0.1%
Patch available Yes
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
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Low

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +24
PoC: +20
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)CVE.org

cpe:2.3:a:chatwoot:chatwoot:*:*:*:*:*:*:*:*
CVE-2022-3741 CRITICAL POC
9.8 Oct 28

Impact varies for each individual vulnerability in the application. Rated critical severity (CVSS 9.8), this vulnerabili

CVE-2026-63765 HIGH POC
8.8 Jul 23

Unauthenticated arbitrary blob creation in Chatwoot before 4.16.0 lets remote attackers abuse the ActiveStorage direct-u

CVE-2021-3649 HIGH POC
7.5 Jul 16

chatwoot is vulnerable to Inefficient Regular Expression Complexity. Rated high severity (CVSS 7.5), this vulnerability

CVE-2022-2901 HIGH POC
7.1 Sep 06

Improper Authorization in GitHub repository chatwoot/chatwoot prior to 2.8. Rated high severity (CVSS 7.1), this vulnera

CVE-2022-0542 MEDIUM POC
6.1 Aug 19

Cross-site Scripting (XSS) - DOM in GitHub repository chatwoot/chatwoot prior to 2.7.0. Rated medium severity (CVSS 6.1)

CVE-2022-1021 MEDIUM POC
5.4 Aug 19

Insecure Storage of Sensitive Information in GitHub repository chatwoot/chatwoot prior to 2.6.0. Rated medium severity (

CVE-2022-1022 MEDIUM POC
5.4 Apr 21

Cross-site Scripting (XSS) - Stored in GitHub repository chatwoot/chatwoot prior to 2.5.0. Rated medium severity (CVSS 5

CVE-2026-44706 HIGH
8.5 May 26

SQL injection in Chatwoot versions 2.2.0 through 4.11.1 allows any authenticated account user to execute arbitrary SQL v

CVE-2026-44707 MEDIUM
6.8 May 26

Pre-Account Takeover in Chatwoot's OmniAuth integration affects all releases from 2.14.0 through 4.12.x, allowing an att

CVE-2026-72719 MEDIUM
6.7 Aug 10

Chatwoot's multi-tenant API fails to restrict the `account_id` parameter in four controllers (Portals, Automation Rules,

CVE-2025-12246 LOW POC
2.1 Oct 27

Cross-site scripting (XSS) in Chatwoot up to version 4.7.0 allows remote attackers to inject malicious scripts via the L

CVE-2026-92527 LOW POC
2.1 Sep 16

Server-side request forgery in Chatwoot's Shopify OAuth integration allows an authenticated user to make the Chatwoot se

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