Wikimedia Monaco Skin 1.39/1.43/1.44/1.45 on Mediawiki 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 was found in Wikimedia Monaco Skin 1.39/1.43/1.44/1.45 on Mediawiki. It has been rated as problematic. Affected is an unknown function. This manipulation causes cross site scripting. This vulnerability is tracked as CVE-2026-22714. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Wikimedia Monaco Skin 1.39/1.43/1.44/1.45 on Mediawiki. It has been declared as problematic. Affected by this vulnerability is an unknown function. 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. The summary by CVE is:

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - Monaco Skin allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Monaco Skin: 1.45, 1.44, 1.43, 1.39.

The weakness was disclosed by SomeRandomDeveloper. It is possible to read the advisory at phabricator.wikimedia.org. This vulnerability is known as CVE-2026-22714 since 01/09/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

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 CNNVD (CNNVD-202601-1578), EUVD (EUVD-2026-1820) and CERT Bund (WID-SEC-2026-0053). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Open Source MediaWiki

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

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

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

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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/09/2026 Advisory disclosed
01/09/2026 +0 days CVE reserved
01/09/2026 +0 days VulDB entry created
01/11/2026 +2 days VulDB entry last update

Sourcesinfo

Advisory: phabricator.wikimedia.org
Researcher: SomeRandomDeveloper
Status: Confirmed

CVE: CVE-2026-22714 (🔒)
GCVE (CVE): GCVE-0-2026-22714
GCVE (VulDB): GCVE-100-340207
EUVD: 🔒
CERT Bund: WID-SEC-2026-0053 - MediaWiki: Mehrere Schwachstellen
CNNVD: CNNVD-202601-1578 - Mediawiki - Monaco Skin 安全漏洞

Entryinfo

Created: 01/09/2026 01:25
Updated: 01/11/2026 21:46
Changes: 01/09/2026 01:25 (67), 01/09/2026 15:28 (6), 01/09/2026 23:15 (7), 01/10/2026 15:13 (1), 01/10/2026 15:58 (1), 01/11/2026 21:46 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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