VDB-209111 · CVE-2022-28201 · DLA 3117-1

MediaWiki up to 1.35.5/1.36.3/1.37.1 Mainpage Message recursion

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in MediaWiki up to 1.35.5/1.36.3/1.37.1. It has been rated as problematic. Affected by this issue is some unknown functionality of the component Mainpage Message Handler. The manipulation leads to recursion. This vulnerability is documented as CVE-2022-28201. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in MediaWiki up to 1.35.5/1.36.3/1.37.1 (Content Management System) and classified as problematic. This issue affects an unknown function of the component Mainpage Message Handler. The manipulation with an unknown input leads to a recursion vulnerability. Using CWE to declare the problem leads to CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. Impacted is availability. The summary by CVE is:

An issue was discovered in MediaWiki before 1.35.6, 1.36.x before 1.36.4, and 1.37.x before 1.37.2. Users with the editinterface permission can trigger infinite recursion, because a bare local interwiki is mishandled for the mainpage message.

The weakness was released 09/20/2022. It is possible to read the advisory at blog.legoktm.com. The identification of this vulnerability is CVE-2022-28201 since 03/30/2022. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 1.35.6, 1.36.4 or 1.37.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-32655). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Content Management System

Name

MediaWiki

Version

License

open-source

Website

Product: https://www.mediawiki.org/wiki/MediaWiki

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.9

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

NVD Base Score: 4.4
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Recursion
CWE: CWE-674 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MediaWiki 1.35.6/1.36.4/1.37.2

Timelineinfo

03/30/2022 🔍
09/20/2022 +174 days 🔍
09/20/2022 +0 days 🔍
05/16/2026 +1334 days 🔍

Sourcesinfo

Product: mediawiki.org

Advisory: DLA 3117-1
Status: Confirmed

CVE: CVE-2022-28201 (🔍)
GCVE (CVE): GCVE-0-2022-28201
GCVE (VulDB): GCVE-100-209111
EUVD: 🔍

Entryinfo

Created: 09/20/2022 09:41
Updated: 05/16/2026 15:15
Changes: 09/20/2022 09:41 (40), 10/21/2022 08:40 (1), 10/21/2022 08:45 (11), 05/16/2026 15:15 (15)
Complete: 🔍
Cache ID: 216::103