@rpldy/uploader prototype pollution

published 2025-02-05 21 mo ago modified 2026-06-17 4 mo ago also GHSA-pc47-g7gv-4gpw , EUVD-2024-53525

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits: 0; none known

A prototype pollution in the lib.createUploader function of @rpldy/uploader v1.8.1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted payload.

Patch / fix

fixed in 1 links 2

npm @rpldy/uploader 1.9.1

github.com/rpldy/react-uploady@386e0a8 commit
github.com/rpldy/react-uploady/releases/tag/v1.9.1 release

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: 21 mo ago (2025-02-06)

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.5	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA	3.1	6.5	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem	package	affected	fixed in
npm	@rpldy/uploader	<1.9.1	1.9.1

Classification

Weakness

CWE-400 Uncontrolled Resource Consumption
CWE-1321 Improperly Controlled Modification of Object Prototype Attributes

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