Dutchoders transfer.sh contains an XSS vulnerability via malicious file upload

published 2022-09-29 4 y ago modified 2026-06-17 4 mo ago also GHSA-pwq7-f7f9-cm2j , EUVD-2022-6901

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits: 0; none known

dutchcoders Transfer.sh 1.4.0 is vulnerable to Cross Site Scripting (XSS).

Patch / fix

links 2

github.com/dutchcoders/transfer.sh#501 pull request
github.com/dutchcoders/transfer.sh/issues/500 advisory

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 17 mo ago (2025-05-20)

Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/dutchcoders/transfer.sh/issues/500 referenced PoC, tagged "exploit" by a source, unverified

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
NVD	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
GitHub	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
go	github.com/dutchcoders/transfer.sh	<=1.4.0	no fix listed

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /dutchcoders/transfer.sh/pull/501
web, patch, third-party-advisory
github.com /dutchcoders/transfer.sh/issues/500
web, exploit, issue-tracking, patch, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2022-40931
advisory
github.com /dutchcoders/transfer.sh
package

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