CVE-2023-29137

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Published Mar 31, 2023 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed

Description

An issue was discovered in the GrowthExperiments extension for MediaWiki through 1.39.3. The UserImpactHandler for GrowthExperiments inadvertently returns the timezone preference for arbitrary users, which can be used to de-anonymize users.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-32740	An issue was discovered in the GrowthExperiments extension for MediaWiki through 1.39.3. The UserImpactHandler for GrowthExperiments inadvertently returns the timezone preference for arbitrary users, which can be used to de-anonymize users.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.436% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://phabricator.wikimedia.org/T328643

History

Feb 14, 2025 8:15 PM Weaknesses updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
Weaknesses		CWE-200
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Mediawiki Mediawiki

Weaknesses

Sources

CVE record Updated: Feb 14, 2025, 7:27 PM

Status: PUBLISHED
Assigner: mitre
Published: Mar 31, 2023, 12:00 AM
Updated: Feb 14, 2025, 7:27 PM
Reserved: Mar 31, 2023, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 2:00 PM

Updated: Aug 2, 2024, 2:00 PM

NVD Updated: Jun 17, 2026, 5:49 AM

Status: Modified
Published: Mar 31, 2023, 7:15 PM
Modified: Jun 17, 2026, 5:49 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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