MediaWiki up to 1.19.23/1.23.8/1.24.1 HTML Class LanguageConverter HTML injection

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in MediaWiki up to 1.19.23/1.23.8/1.24.1. Affected by this vulnerability is an unknown functionality of the component HTML Class. Executing a manipulation of the argument LanguageConverter can lead to HTML injection. This vulnerability is registered as CVE-2015-2933. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in MediaWiki up to 1.19.23/1.23.8/1.24.1 (Content Management System). This vulnerability affects an unknown code block of the component HTML Class. The manipulation of the argument LanguageConverter with an unknown input leads to a html injection 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 Html class in MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2 allows remote attackers to inject arbitrary web script or HTML via a LanguageConverter substitution string when using a language variant.

The weakness was published 03/31/2015 by Bawolff with iSEC Partners (oss-sec). The advisory is shared for download at openwall.com. This vulnerability was named CVE-2015-2933 since 04/07/2015. The exploitation appears to be easy. 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.

The vulnerability scanner Nessus provides a plugin with the ID 82686 (Mandriva Linux Security Advisory : mediawiki (MDVSA-2015:200)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13127 (Mediawiki Multiple Vulnerabilities (MediaWiki Security Release: 1.19.24, 1.23.9 and 1.24.2)).

Upgrading to version 1.19.24, 1.23.9 or 1.24.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (82686), SecurityFocus (BID 73477†) and Vulnerability Center (SBV-49890†). Similar entries are available at VDB-74798, VDB-74799, VDB-74801 and VDB-74802. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

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

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: HTML injection
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: 82686
Nessus Name: Mandriva Linux Security Advisory : mediawiki (MDVSA-2015:200)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 801900
OpenVAS Name: MediaWiki Multiple Vulnerabilities - Mar15 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MediaWiki 1.19.24/1.23.9/1.24.2

Timelineinfo

03/31/2015 🔍
03/31/2015 +0 days 🔍
04/07/2015 +7 days 🔍
04/13/2015 +6 days 🔍
04/13/2015 +0 days 🔍
04/14/2015 +1 days 🔍
04/27/2015 +13 days 🔍
05/03/2022 +2563 days 🔍

Sourcesinfo

Product: mediawiki.org

Advisory: openwall.com
Researcher: Bawolff
Organization: iSEC Partners
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-2933 (🔍)
GCVE (CVE): GCVE-0-2015-2933
GCVE (VulDB): GCVE-100-74800
SecurityFocus: 73477 - MediaWiki Multiple Security Vulnerabilities
Vulnerability Center: 49890 - MediaWiki 1.1x and 1.2x Remote XSS in Language Converter, Medium

See also: 🔍

Entryinfo

Created: 04/14/2015 09:52
Updated: 05/03/2022 21:05
Changes: 04/14/2015 09:52 (63), 06/27/2017 03:53 (10), 05/03/2022 21:05 (3)
Complete: 🔍
Cache ID: 216:03E:103

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