GHSA-vfpx-q664-h93m

Suggest an improvement
Source
https://github.com/advisories/GHSA-vfpx-q664-h93m
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-vfpx-q664-h93m/GHSA-vfpx-q664-h93m.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-vfpx-q664-h93m
Published
2026-04-03T03:43:13Z
Modified
2026-04-03T03:49:35Z
Severity
  • 8.2 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N CVSS Calculator
Summary
Auth0 WordPress Plugin has Insufficient Entropy in Cookie Encryption
Details

Impact

In applications built with the Auth0 PHP SDK, cookies are encrypted with insufficient entropy, which may result in threat actors brute-forcing the encryption key and forging session cookies.

Am I Affected?

Consumers are affected if their application meets the following preconditions:

  • It is using the Auth0 WordPress Plugin, versions between 5.0.0-BETA0 and 5.5.0
  • Auth0 WordPress plugin using the Auth0-PHP SDK versions between 8.0.0 to 8.18.0.

Resolution

Upgrade Auth0/wordpress to version 5.6.0 or greater.

Database specific
{
    "cwe_ids":  [
        "CWE-331"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2026-04-03T03:43:13Z",
    "nvd_published_at":  null,
    "severity":  "HIGH"
}
References

Affected packages

Packagist / auth0/wordpress

Package

Name
auth0/wordpress
Purl
pkg:composer/auth0/wordpress

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.0.0-BETA0
Fixed
5.6.0

Affected versions

5.*
5.0.0-BETA0
5.0.0-BETA1
5.0.0
5.0.1
5.1.0
5.2.0
5.2.1
5.3.0
5.4.0
5.5.0

Database specific

last_known_affected_version_range
"<= 5.5.0"
source
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-vfpx-q664-h93m/GHSA-vfpx-q664-h93m.json"