VDB-209081 · CVE-2022-28204 · T297754

MediaWiki 1.37.0/1.37.1 denial of service

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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in MediaWiki 1.37.0/1.37.1. It has been classified as problematic. This issue affects some unknown processing of the file w/index.php?title=Special%3AWhatLinksHere&target=Property%3AP31&namespace=1&invert=1. The manipulation leads to denial of service. This vulnerability is documented as CVE-2022-28204. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in MediaWiki 1.37.0/1.37.1 (Content Management System). This issue affects an unknown code block of the file w/index.php?title=Special%3AWhatLinksHere&target=Property%3AP31&namespace=1&invert=1. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

A denial-of-service issue was discovered in MediaWiki 1.37.x before 1.37.2. Rendering of w/index.php?title=Special%3AWhatLinksHere&target=Property%3AP31&namespace=1&invert=1 can take more than thirty seconds. There is a DDoS risk.

The weakness was released 09/20/2022 as T297754. The advisory is shared at phabricator.wikimedia.org. The identification of this vulnerability is CVE-2022-28204 since 03/30/2022. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 1.37.2 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best 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: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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 1.37.2

Timelineinfo

03/30/2022 🔍
09/20/2022 +174 days 🔍
09/20/2022 +0 days 🔍
05/29/2025 +982 days 🔍

Sourcesinfo

Product: mediawiki.org

Advisory: T297754
Status: Confirmed

CVE: CVE-2022-28204 (🔍)
GCVE (CVE): GCVE-0-2022-28204
GCVE (VulDB): GCVE-100-209081

Entryinfo

Created: 09/20/2022 07:50
Updated: 05/29/2025 18:43
Changes: 09/20/2022 07:50 (41), 10/20/2022 19:10 (11), 05/29/2025 18:43 (15)
Complete: 🔍
Cache ID: 216::103