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Open Webui CVE-2024-7044

HIGH
Cross-site Scripting (XSS) (CWE-79)
2025-03-20 security@huntr.dev
8.9
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 8.9 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.26%.

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 Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

A Stored Cross-Site Scripting (XSS) vulnerability exists in the chat file upload functionality of open-webui/open-webui version 0.3.8. Rated high severity (CVSS 8.9), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and 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.

Affected Packages

pypi open-webui fix: 0.3.33

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in pypi

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 the chat file upload functionality of open-webui/open-webui version 0.3.8. An attacker can inject malicious content into a file, which, when accessed by a victim through a URL or shared chat, executes JavaScript in the victim's browser. This can lead to user data theft, session hijacking, malware distribution, and phishing attacks. Affected products include: Openwebui Open Webui. Version information: version 0.3.8..

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.9 HIGH
AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L

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
High
Integrity
High
Availability
Low

Lifecycle Timeline

2
PoC Detected
Jul 29, 2025 - 18:05 vuln.today
Public exploit code
CVE Published
Mar 20, 2025 - 10:15 nvd
HIGH 8.9

DescriptionCVE.org

A Stored Cross-Site Scripting (XSS) vulnerability exists in the chat file upload functionality of open-webui/open-webui version 0.3.8. An attacker can inject malicious content into a file, which, when accessed by a victim through a URL or shared chat, executes JavaScript in the victim's browser. This can lead to user data theft, session hijacking, malware distribution, and phishing attacks.

Executive ViewAI

Why It Matters

Organizations using the chat file upload functionality of open-webui/open-webui face significant risk from CVE-2024-7044, a cross-site scripting vulnerability rated CVSS 8.9. Attackers could inject malicious scripts to steal user sessions, credentials, or perform actions on behalf of authenticated users. Proof-of-concept code is publicly available, increasing the risk of exploitation. Organizations should apply vendor updates when available and consider compensating controls in the interim.

Business Impact: Severe
Compensating Controls

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

EPSS Score
0.3%
Top 51% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 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 HIGH
CISA KEV No
Public POC Yes
EPSS 0.3%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
Out-of-Cycle
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Very High

Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
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.

Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.

Affected Products (CPE)CVE.org

cpe:2.3:a:openwebui:open_webui:0.3.8:*:*:*:*:*:*:*
CVE-2024-8017 CRITICAL POC
9.0 Mar 20

An XSS vulnerability exists in open-webui/open-webui versions <= 0.3.8, specifically in the function that constructs the

CVE-2024-6707 HIGH POC
8.8 Aug 07

Attacker controlled files can be uploaded to arbitrary locations on the web server's filesystem by abusing a path traver

CVE-2026-87995 HIGH POC
8.7 Sep 09

Stored cross-site scripting in Open WebUI's terminal port preview feature allows an authenticated attacker sharing a ter

CVE-2024-8053 HIGH POC
8.2 Mar 20

In version v0.3.10 of open-webui/open-webui, the `api/v1/utils/pdf` endpoint lacks authentication mechanisms, allowing u

CVE-2026-87016 HIGH POC
8.1 Sep 09

OAuth and SCIM identity confusion in Open WebUI 0.6.41-0.10.x (SQLite-backed deployments only) allows unauthenticated re

CVE-2026-87996 HIGH POC
7.7 Sep 09

DNS rebinding SSRF in Open WebUI versions 0.9.6 through 0.11.0 allows authenticated users who control authoritative DNS

CVE-2026-87011 HIGH POC
7.5 Sep 09

Denial of service in Open WebUI versions 0.9.0-0.11.0 allows unauthenticated remote attackers to stall the application s

CVE-2024-7983 HIGH POC
7.5 Mar 20

In version 0.3.8 of open-webui, an endpoint for converting markdown to HTML is exposed without authentication. Rated hig

CVE-2026-26193 HIGH POC
7.3 Feb 19

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. [CVSS 7.3 HIGH]

CVE-2026-26192 HIGH POC
7.3 Feb 19

Stored XSS in Open WebUI prior to version 0.7.0 allows authenticated users to inject malicious HTML payloads into chat d

CVE-2026-87998 HIGH POC
7.1 Sep 09

Improper privilege management in Open WebUI 0.10.0 through 0.11.0 allows any authenticated low-privilege user with write

CVE-2026-87999 HIGH POC
7.1 Sep 09

Server-side request forgery in Open WebUI prior to 0.11.1 allows authenticated users to reach internal cloud infrastruct

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