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CVE-2021-23389

29
FAUCET Score

CVE-2021-23389 describes an Arbitrary Code Execution vulnerability in the total.js package, affecting versions prior to 3.4.9, specifically through the U.set() and U.get() functions. This critical vulnerability carries a CVSS score of 9.8, indicating a network-exploitable flaw with low attack complexity and high impact on confidentiality, integrity, and availability. While the vulnerability has a high FAUCET Risk Score of 85/100, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.4.9CPE matchmatch criteria
cpe:2.3:a:totaljs:total.js:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.60%
Probability of exploitation in next 30 days
EPSS Percentile
88.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0360 is in the 81st percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: total.jsFixed in: 3.4.9

Vendor Advisories (1)

npmGHSA-7fm6-gxqg-2pwrcritical

Code Injection in total.js

Dec 10, 2021

References

github.com / totaljs/framework/blob/master/utils.js%23L6606-L6631
Broken Link
github.com / totaljs/framework/commit/887b0fa9e162ef7a2dd9cec20a5ca122726373b3
PatchThird Party Advisory
snyk.io / vuln/SNYK-JS-TOTALJS-1088607
ExploitPatchThird Party Advisory