Various security vulnerabilities in Extension:DataTransfer

published 2025-01-14 21 mo ago modified 2026-06-17 4 mo ago also GHSA-c3h5-h73c-29hq , EUVD-2025-0072

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits: 0; none known

Cross-Site Request Forgery (CSRF), Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - DataTransfer Extension allows Cross Site Request Forgery, Cross-Site Scripting (XSS).This issue affects Mediawiki - DataTransfer Extension: from 1.39.X before 1.39.11, from 1.41.X before 1.41.3, from 1.42.X before 1.42.2.

Patch / fix

fixed in 2

packagist mediawiki/data-transfer 1.39.11, 1.41.3, 1.42.2
Wikimedia Foundation Mediawiki - DataTransfer Extension 1.39.11, 1.41.3, 1.42.2

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 21 mo ago (2025-01-16)

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	mediawiki/data-transfer	>=1.39.0, <1.39.11 >=1.41.0, <1.41.3 >=1.42.0, <1.42.2	1.39.11 1.41.3 1.42.2

Affected products

Wikimedia Foundation Mediawiki - DataTransfer Extension

Classification

Weakness

CWE-352 Cross-Site Request Forgery
CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary