0.4

CVE-2025-61647: wikimedia foundation checkuser Path Traversal

CVSS: 0.4v4.0LowDeferred
Published 03-02-2026Last modified 03-03-2026
Open JSON

Vulnerability summary

CVE-2025-61647 is a low (CVSS 0.4) Path Traversal vulnerability in wikimedia foundation checkuser. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 26% of scored vulnerabilities.

Overall risk
2/100
0100
Minimal · default modelHow is this calculated?
CVSS score
0.4/10
010
Low · v4.0 (NVD)
EPSS score
0.34%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-02-2026
    PublishedVulnerability first disclosed.
  2. 03-03-2026
    Last modifiedVulnerability information updated.

Description

Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Api/Rest/Handler/UserInfoHandler.Php. This issue affects CheckUser: from a3dc1bbcc33acbcca6831d6afaccbb1054c93a57, 0584eb2ad564648aa3ce9c555dd044dda02b55f4.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

26%

Versus all other CVEs

30-day change

+0.04 pp

From 0.30% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.34%

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
  • checkuser≥ a3dc1bbcc33acbcca6831d6afaccbb1054c93a57, 0584eb2ad564648aa3ce9c555dd044dda02b55f4 (No fix recorded)

1 vendor · 1 product

References

1 links