Widgets Extension on MediaWiki Base64 cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Widgets Extension on MediaWiki and classified as problematic. Affected is an unknown function of the component Base64 Handler. The manipulation leads to cross site scripting. This vulnerability is traded as CVE-2015-6737. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Widgets Extension on MediaWiki (the affected version unknown) and classified as problematic. This issue affects an unknown part of the component Base64 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. The summary by CVE is:

Cross-site scripting (XSS) vulnerability in the Widgets extension for MediaWiki allows remote attackers to inject arbitrary web script or HTML via vectors involving base64 encoded content.

The weakness was shared 09/01/2015 (Website). The advisory is shared at lists.wikimedia.org. The identification of this vulnerability is CVE-2015-6737 since 08/27/2015. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful 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 scanner Nessus provides a plugin with the ID 85698 (Fedora 23 : mediawiki-1.25.2-2.fc23 (2015-13920)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123934 (Fedora Security Update for mediawiki (FEDORA-2015-13920)).

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 databases at Tenable (85698), SecurityFocus (BID 76858†) and Vulnerability Center (SBV-52483†). The entries VDB-77534, VDB-77539, VDB-77540 and VDB-77541 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 85698
Nessus Name: Fedora 23 : mediawiki-1.25.2-2.fc23 (2015-13920)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 18627
OpenVAS Name: Gentoo Linux Local Check: https://security.gentoo.org/glsa/201510-05
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/27/2015 🔍
08/31/2015 +4 days 🔍
09/01/2015 +1 days 🔍
09/01/2015 +0 days 🔍
09/01/2015 +0 days 🔍
09/03/2015 +2 days 🔍
09/08/2015 +5 days 🔍
06/14/2022 +2471 days 🔍

Sourcesinfo

Advisory: lists.wikimedia.org
Status: Not defined

CVE: CVE-2015-6737 (🔍)
GCVE (CVE): GCVE-0-2015-6737
GCVE (VulDB): GCVE-100-77549
SecurityFocus: 76858 - Mediawiki Widgets Extension CVE-2015-6737 Cross Site Scripting Vulnerability
Vulnerability Center: 52483 - Mediawiki Remote XSS Vulnerability in Widgets Extension - CVE-2015-6737, Medium

See also: 🔍

Entryinfo

Created: 09/03/2015 10:23
Updated: 06/14/2022 08:36
Changes: 09/03/2015 10:23 (52), 12/09/2017 12:04 (14), 06/14/2022 08:36 (3)
Complete: 🔍
Cache ID: 216::103

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