Growth Extension up to 1.36.2 on MediaWiki Newcomer Home Page Footer cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Growth Extension up to 1.36.2 on MediaWiki. It has been classified as problematic. This affects an unknown part of the component Newcomer Home Page Footer. Performing a manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2021-42048. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Growth Extension up to 1.36.2 on MediaWiki. This affects an unknown code block of the component Newcomer Home Page Footer. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is:

An issue was discovered in the Growth extension in MediaWiki through 1.36.2. Any admin can add arbitrary JavaScript code to the Newcomer home page footer, which can be executed by viewers with zero edits.

The weakness was shared 09/29/2022. It is possible to read the advisory at gerrit.wikimedia.org. This vulnerability is uniquely identified as CVE-2021-42048 since 10/06/2021. 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.6
VulDB Meta Temp Score: 3.6

VulDB Base Score: 2.4
VulDB Temp Score: 2.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.8
NVD Vector: 🔍

CVSSv2info

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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

10/06/2021 🔍
09/29/2022 +358 days 🔍
09/29/2022 +0 days 🔍
10/25/2022 +26 days 🔍

Sourcesinfo

Advisory: gerrit.wikimedia.org
Status: Confirmed

CVE: CVE-2021-42048 (🔍)
GCVE (CVE): GCVE-0-2021-42048
GCVE (VulDB): GCVE-100-209739

Entryinfo

Created: 09/29/2022 08:37
Updated: 10/25/2022 08:46
Changes: 09/29/2022 08:37 (38), 10/25/2022 08:46 (11)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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