Improper Control of Generation of Code in doT

published 2020-03-15 6 y ago modified 2026-06-17 4 mo ago also GHSA-297x-8xj4-vcxv , EUVD-2022-1949

cvss: 8.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.2%; EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits: 0; none known

The dot package v1.1.2 uses Function() to compile templates. This can be exploited by the attacker if they can control the given template or if they can control the value set on Object.prototype.

Patch / fix

fixed in 1 distros 1

npm dot 1.1.3

node-dot Debian 14, Debian 13, Debian 12 1.1.3+ds-1

debian advisories DEBIAN-CVE-2020-8141

Exploit prediction

2.20% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

hackerone.com https://hackerone.com/reports/390929 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P
GitHub	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
npm	dot	<1.1.3	1.1.3

Affected products

n/a dot

Classification

Weakness

CWE-94 Improper Control of Generation of Code

References

hackerone.com /reports/390929
web, exploit, mitigation, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2020-8141
advisory

Sources

CVE List CVE-2020-8141
GitHub Advisory GHSA-297x-8xj4-vcxv
NVD CVE-2020-8141

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