Blackprint @blackprint/engine Prototype Pollution issue

published 2024-05-20 2 y ago modified 2026-06-17 4 mo ago also GHSA-g3q2-vcjq-rgrc , EUVD-2024-1611

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits: 0; none known

A Prototype Pollution issue in Blackprint @blackprint/engine v.0.9.0 allows an attacker to execute arbitrary code via the _utils.setDeepProperty function of engine.min.js.

Patch / fix

fixed in 1 links 1

npm @blackprint/engine 0.9.2

github.com/Blackprint/engine-js@bd6b965 commit

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: total
Assessed: 2 y ago (2024-05-21)

Exploit prediction

0.78% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
npm	@blackprint/engine	>=0.8.12, <0.9.2	0.9.2

Affected products

blackprint blackprint_engine

Classification

Weakness

CWE-94 Improper Control of Generation of Code
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