Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2019-18413

31
FAUCET Score

CVE-2019-18413 describes a critical input validation bypass vulnerability in TypeStack class-validator versions up to 0.10.2. Attackers can overwrite internal attributes through conflicting names, potentially leading to SQL Injection or Cross-Site Scripting (XSS) attacks. This vulnerability carries a CVSS score of 9.8 (CRITICAL) due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. While a mitigation option exists, it is undocumented, leading most developers to configure the product vulnerably. There is no evidence of active exploitation, public exploit code, or significant community discussion for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.10.2CPE matchmatch criteria
cpe:2.3:a:typestack_class-validator_project:typestack_class-validator:0.10.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.7LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.99%
Probability of exploitation in next 30 days
EPSS Percentile
78.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0199 is in the 67th percentile among its peer group of 36,835 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 (1)

npmpatch availablevia ghsa
Product: class-validatorFixed in: 0.14.0

Vendor Advisories (1)

npmGHSA-fj58-h2fr-3pp2critical

SQL Injection and Cross-site Scripting in class-validator

Oct 12, 2021

References

github.com / typestack/class-validator/issues/1422
Issue TrackingRelease NotesThird Party Advisory
github.com / typestack/class-validator/issues/438
ExploitIssue TrackingThird Party Advisory
github.com / typestack/class-validator/issues/438
ExploitIssue TrackingThird Party Advisory
github.com / typestack/class-validator
Third Party Advisory