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Vulnerabilities

Vulnerability · CVE-2025-52738

Missing Authorization vulnerability in Wikimedia Foundation Wikipedia Preview wikipedia-preview allows Exploiting Incorrectly Configured Access Control Security Levels.This issue a

Published Oct 22, 2025 · catalog updated Apr 28, 2026 · Wikimedia Foundation Wikipedia Preview

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-52738. EPSS is 0.31%. Act only if a listed version of Wikimedia Foundation Wikipedia Preview is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.31%
Remediation
Advisory link
Affected products
vendor Wikimedia Foundation Wikipedia Preview 0 ≤1.15.0

Missing Authorization vulnerability in Wikimedia Foundation Wikipedia Preview wikipedia-preview allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Wikipedia Preview: from n/a through <= 1.15.0.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Wikimedia Foundation Wikipedia Preview 0 ≤1.15.00 ≤1.15.0

How to fix CVE-2025-52738

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-52738. EPSS is 0.31%. Act only if a listed version of Wikimedia Foundation Wikipedia Preview is installed.

Which versions are affected?

Compare what you have installed with Wikimedia Foundation Wikipedia Preview 0 ≤1.15.0 0 ≤1.15.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.31%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 22, 2025 · EUVD

    Detected

    Missing Authorization vulnerability in Wikimedia Foundation Wikipedia Preview wikipedia-preview allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Wikipedia Preview: from n/a through <= 1.15.0.

  2. Apr 28, 2026 · EUVD

    Updated

    Missing Authorization vulnerability in Wikimedia Foundation Wikipedia Preview wikipedia-preview allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Wikipedia Preview: from n/a through <= 1.15.0.

Sources

  • CVE.orgVulnerability recordCVE-2025-52738

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-52738

    30-day exploitation probability 0.31%

    first.org
  • EUVDVulnerability recordEUVD-2025-35492

    Missing Authorization vulnerability in Wikimedia Foundation Wikipedia Preview wikipedia-preview allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Wikipedia Preview: from n/a through <= 1.15.0.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 2, 2026
  • CVE.orgOct 24, 2026
  • EUVDOct 23, 2026