6.5

CVE-2025-52738: wikimedia foundation wikipedia preview Missing Authorization

CVSS: 6.5v3.1MediumDeferred
Published 22-10-2025Last modified 28-04-2026
Open JSON

Vulnerability summary

CVE-2025-52738 is a medium (CVSS 6.5) Missing Authorization vulnerability in wikimedia foundation wikipedia preview. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.2% of scored vulnerabilities. Fixed in 1.16.0.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.31%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-10-2025
    PublishedVulnerability first disclosed.
  2. 28-04-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.31%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

+0.02 pp

From 0.29% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.31%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Wikimedia foundation1 product
Wordpress1 product
  • wikipedia-preview≤ 1.15.0 (fixed in 1.16.0)

2 vendors · 2 products

References

2 links