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-2019-20173

21
FAUCET Score

CVE-2019-20173 describes a medium-severity Cross-Site Scripting (XSS) vulnerability in the Auth0 wp-auth0 plugin for WordPress, versions 3.11.x prior to 3.11.3. This flaw allows an unauthenticated attacker to inject malicious scripts via the 'wle' parameter on the wp-login.php page, requiring user interaction for successful exploitation. While the vulnerability has a CVSS score of 6.1 and a FAUCET Risk Score of 61/100, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Furthermore, community discussion and media coverage for this CVE are minimal, indicating a low level of public attention.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.11.0, < 3.11.3CPE matchmatch criteria
cpe:2.3:a:auth0:login_by_auth0:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.46%
Probability of exploitation in next 30 days
EPSS Percentile
82.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0246 is in the 92nd percentile among its peer group of 26,236 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Remediation records are not available for this CVE.

References

auth0.com / docs/security/bulletins/cve-2019-20173
Vendor Advisory
github.com / auth0/wp-auth0/releases/tag/3.11.3
Release NotesThird Party Advisory
wpvulndb.com / vulnerabilities/10059
Third Party Advisory