CVE-2025-52738Network attack vector

Unauthenticated unauthorized actions

Published Oct 22, 2025 · Updated Oct 22, 2025

Missing authorization in Wikimedia Foundation Wikipedia Preview 1.15.0 and earlier allows remote attackers to perform unauthorized actions. Patchstack has not disclosed the affected function, request, or missing authorization check, so the concrete mechanism and action remain unknown. No credentials or user interaction are required, but the available record does not specify what data or service state attackers can change.

CVSS severity6.5
Medium
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in Wikimedia Foundation Wikipedia Preview 1.15.0 and earlier allows remote attackers to perform unauthorized actions. Patchstack has not disclosed the affected function, request, or missing authorization check, so the concrete mechanism and action remain unknown. No credentials or user interaction are required, but the available record does not specify what data or service state attackers can change.

The record

CVE
CVE-2025-52738
Published
Oct 22, 2025
Updated
Oct 22, 2025
Vendor
Wikimedia Foundation
Product
Wikipedia Preview
Classifications
CWE-862, CAPEC-180
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 22, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 22, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <=<= 1.15.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Wikimedia Foundation · Wikipedia Previewversion=n/a <=<= 1.15.0

Published CVSS scores

6.5PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
CAPEC-180Exploiting Incorrectly Configured Access Control Security Levels

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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