VDB-275360 · CVE-2024-43439 · Nessus 261474

Moodle H5P Error Message cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.0	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Moodle. This affects an unknown function of the component H5P Error Message Handler. Such manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2024-43439. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Moodle (affected version unknown) and classified as problematic. Affected by this issue is an unknown functionality of the component H5P Error Message Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. CVE summarizes:

A flaw was found in moodle. H5P error messages require additional sanitizing to prevent a reflected cross-site scripting (XSS) risk.

The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2024-43439 since 08/13/2024. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/08/2025). The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability scanner Nessus provides a plugin with the ID 261474 (Linux Distros Unpatched Vulnerability : CVE-2024-43439), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (261474). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Learning Management Software

Name

Moodle

License

open-source

Website

Product: https://moodle.org/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 5.4
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 261474
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2024-43439

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2024 🔍
08/21/2024 +8 days 🔍
08/21/2024 +0 days 🔍
09/08/2025 +383 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: bugzilla.redhat.com
Status: Not defined

CVE: CVE-2024-43439 (🔍)
GCVE (CVE): GCVE-0-2024-43439
GCVE (VulDB): GCVE-100-275360

Entryinfo

Created: 08/21/2024 07:54
Updated: 09/08/2025 03:36
Changes: 08/21/2024 07:54 (50), 11/11/2024 20:13 (12), 03/13/2025 14:06 (3), 04/24/2025 09:44 (12), 09/08/2025 03:36 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.