MediaWiki up to 1.35.5/1.36.3/1.37.1 Special:NewFiles denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in MediaWiki up to 1.35.5/1.36.3/1.37.1. The affected element is an unknown function of the file Special:NewFiles. The manipulation leads to denial of service. This vulnerability is referenced as CVE-2022-28203. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in MediaWiki up to 1.35.5/1.36.3/1.37.1 (Content Management System). It has been rated as problematic. This issue affects an unknown functionality of the file Special:NewFiles. 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 before 1.35.6, 1.36.x before 1.36.4, and 1.37.x before 1.37.2. When many files exist, requesting Special:NewFiles with actor as a condition can result in a very long running query.

The weakness was published 09/20/2022. The advisory is shared at phabricator.wikimedia.org. The identification of this vulnerability is CVE-2022-28203 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 1.35.6, 1.36.4 or 1.37.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-32657). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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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-2022-28203 (🔍)
GCVE (CVE): GCVE-0-2022-28203
GCVE (VulDB): GCVE-100-209105
EUVD: 🔍

Entryinfo

Created: 09/20/2022 08:55
Updated: 05/16/2026 15:15
Changes: 09/20/2022 08:55 (40), 10/21/2022 08:24 (1), 10/21/2022 08:27 (11), 05/16/2026 15:15 (15)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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