Moodle up to 1.9.7 weblib.php fix_non_standard_entities cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Moodle. It has been declared as problematic. This impacts the function fix_non_standard_entities in the library weblib.php. Executing a manipulation can lead to cross site scripting. This vulnerability is handled as CVE-2010-1619. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Moodle (Learning Management Software) and classified as problematic. This vulnerability affects the function fix_non_standard_entities in the library weblib.php. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability in the fix_non_standard_entities function in the KSES HTML text cleaning library (weblib.php), as used in Moodle 1.8.x before 1.8.12 and 1.9.x before 1.9.8, allows remote attackers to inject arbitrary web script or HTML via crafted HTML entities.

The weakness was released 04/29/2010 (Website). The advisory is shared for download at vupen.com. This vulnerability was named CVE-2010-1619 since 04/29/2010. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

It is declared as proof-of-concept. By approaching the search of inurl:weblib.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 49717 (Debian DSA-2115-1 : moodle - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165222 (SUSE Security Update for Multiple Packages (SUSE-SR:2010:011)).

Upgrading to version 1.9.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (49717) and Vulnerability Center (SBV-25671†). Entries connected to this vulnerability are available at VDB-46404, VDB-46403, VDB-46402 and VDB-50963. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 49717
Nessus Name: Debian DSA-2115-1 : moodle - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 800766
OpenVAS Name: Moodle Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Moodle 1.9.3

Timelineinfo

04/01/2010 🔍
04/29/2010 +28 days 🔍
04/29/2010 +0 days 🔍
04/29/2010 +0 days 🔍
05/10/2010 +11 days 🔍
03/19/2015 +1774 days 🔍
05/23/2025 +3718 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: vupen.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-1619 (🔍)
GCVE (CVE): GCVE-0-2010-1619
GCVE (VulDB): GCVE-100-52996

OVAL: 🔍

Vulnerability Center: 25671 - Moodle Prior to 1.9.8 Remote Cross Site Scripting (XSS) Vulnerability via Crafted HTML Entities, Medium
Vupen: ADV-2010-1107

See also: 🔍

Entryinfo

Created: 03/19/2015 12:22
Updated: 05/23/2025 02:02
Changes: 03/19/2015 12:22 (63), 08/22/2017 11:35 (4), 09/08/2021 17:48 (3), 05/23/2025 02:02 (18)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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