Moodle 3.x Assignment Submission Page cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Moodle 3.x. Affected by this issue is some unknown functionality of the component Assignment Submission Page. Performing a manipulation results in cross site scripting. This vulnerability is known as CVE-2017-2578. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Moodle 3.x (Learning Management Software). This affects some unknown processing of the component Assignment Submission Page. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is:

In Moodle 3.x, there is XSS in the assignment submission page.

The bug was discovered 01/17/2017. The weakness was published 01/20/2017 (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2017-2578 since 12/01/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 97812 (FreeBSD : moodle -- multiple vulnerabilities (f72d98d1-0b7e-11e7-970f-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276431 (Fedora Security Update for moodle (FEDORA-2017-6681f94e10)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (97812) and SecurityFocus (BID 95647†). Similar entries are available at VDB-95740, VDB-95741, VDB-95742 and VDB-95744. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 97812
Nessus Name: FreeBSD : moodle -- multiple vulnerabilities (f72d98d1-0b7e-11e7-970f-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for moodle FEDORA-2017-ae7a707032
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

12/01/2016 🔍
01/17/2017 +47 days 🔍
01/17/2017 +0 days 🔍
01/20/2017 +3 days 🔍
01/20/2017 +0 days 🔍
01/20/2017 +0 days 🔍
03/18/2017 +57 days 🔍
03/20/2017 +2 days 🔍
05/14/2026 +3342 days 🔍

Sourcesinfo

Product: moodle.org

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

CVE: CVE-2017-2578 (🔍)
GCVE (CVE): GCVE-0-2017-2578
GCVE (VulDB): GCVE-100-95745
SecurityFocus: 95647 - Moodle CVE-2017-2578 HTML Injection Vulnerability
OSVDB: - CVE-2017-2578 - Moodle - Cross-Site Scripting Issue

See also: 🔍

Entryinfo

Created: 01/20/2017 15:13
Updated: 05/14/2026 06:34
Changes: 01/20/2017 15:13 (73), 07/28/2020 15:02 (8), 05/14/2026 06:34 (18)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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