MediaWiki up to 1.34.3 Special:Contributions Page Messages cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in MediaWiki up to 1.34.3. The affected element is an unknown function of the component Special:Contributions Page. The manipulation as part of Messages results in cross site scripting. This vulnerability is identified as CVE-2020-25812. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in MediaWiki up to 1.34.3 (Content Management System). Affected is an unknown function of the component Special:Contributions Page. The manipulation as part of a Messages leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. This is going to have an impact on integrity. CVE summarizes:

An issue was discovered in MediaWiki 1.34.x before 1.34.4. On Special:Contributions, the NS filter uses unescaped messages as keys in the option key for an HTMLForm specifier. This is vulnerable to a mild XSS if one of those messages is changed to include raw HTML.

The weakness was released 09/27/2020 (Website). The advisory is shared for download at lists.wikimedia.org. This vulnerability is traded as CVE-2020-25812 since 09/23/2020. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 1.34.4 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-162037, VDB-162038, VDB-162039 and VDB-162040. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Cross site scripting
CWE: CWE-80 / CWE-74 / CWE-707
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MediaWiki 1.34.4

Timelineinfo

09/23/2020 🔍
09/27/2020 +4 days 🔍
09/28/2020 +1 days 🔍
11/14/2020 +47 days 🔍

Sourcesinfo

Product: mediawiki.org

Advisory: lists.wikimedia.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-25812 (🔍)
GCVE (CVE): GCVE-0-2020-25812
GCVE (VulDB): GCVE-100-162036
See also: 🔍

Entryinfo

Created: 09/28/2020 07:18
Updated: 11/14/2020 17:07
Changes: 09/28/2020 07:18 (39), 09/28/2020 07:23 (4), 11/13/2020 07:57 (3), 11/14/2020 16:58 (1), 11/14/2020 17:07 (8)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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