Auth0 WordPress Plugin has Insufficient Entropy in Cookie Encryption
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
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- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub.
Summary
### 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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | auth0/wordpress (Packagist) | 5.0.0-BETA0 to before 5.6.0 | 5.6.0 | Patch available | GHSA-vfpx-q664-h93m |
- auth0/wordpress (Packagist) Vendor— Affected 5.0.0-BETA0 to before 5.6.0 Fixed in 5.6.0 Patch available GHSA-vfpx-q664-h93m
Remediation
- Fix · GHSA-vfpx-q664-h93m auth0/wordpress (Packagist) Fixed in 5.6.0 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-vfpx-q664-h93m
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences