highCVSS 8.2Vulnerability

GHSA-vfpx-q664-h93m

### 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.

Properties

ghsa_id
GHSA-vfpx-q664-h93m
severity
high
summary
Auth0 WordPress Plugin has Insufficient Entropy in Cookie Encryption
cvss_score
8.2
cve_id
GHSA-vfpx-q664-h93m
cvss_vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
is_ghsa_only
true
ghsa_published
2026-04-03T03:43:13Z
source_url
https://github.com/advisories/GHSA-vfpx-q664-h93m
ghsa_updated
2026-04-03T03:43:13Z

Related Entities (3)

AFFECTS (1)

[Software]composer/auth0/wordpress

HAS_WEAKNESS (1)

[Weakness]Insufficient Entropy

REPORTED_BY (1)

[Source]GitHub Advisory Database

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GHSA-vfpx-q664-h93m (CVSS 8.2) — Ninja Signal Threat Intelligence | Ninja Signal