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CVE-2021-23419

30
FAUCET Score

CVE-2021-23419 is a critical prototype pollution vulnerability affecting the open-graph package prior to version 0.2.6, allowing attackers to manipulate Object.prototype properties through specially crafted payloads. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.2.6CPE matchmatch criteria
cpe:2.3:a:open-graph_project:open-graph:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.11%
Probability of exploitation in next 30 days
EPSS Percentile
62.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0111 is in the 48th percentile among its peer group of 36,897 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: open-graphFixed in: 0.2.6

Vendor Advisories (1)

npmGHSA-g452-6rfc-vrvxmedium

Prototype Pollution in open-graph

Sep 1, 2021

References

github.com / samholmes/node-open-graph/commit/a0cef507a90adaac7dbbe9c404f09a50bdefb348
PatchThird Party Advisory
snyk.io / vuln/SNYK-JS-OPENGRAPH-1536747
ExploitPatchThird Party Advisory