What’s Vulnerable › Vulnerabilities
CVE-2026-19715: WP OAuth Server < 6.3.1 - Unauthenticated OAuth Token and User Data Disclosure via Debug Log File
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-27 · updated 2026-08-28
- Weakness: CWE-200
Description
The WP OAuth Server ( Login with WordPress ) WordPress plugin before 6.3.1 does not restrict access to the debug log it writes, which is stored at a fixed and publicly reachable location, allowing unauthenticated users to read the OAuth tokens and authorisation codes it has issued as well as user records including password hashes when debug logging is enabled.
Affected products
- WP OAuth Server ( Login with WordPress ): before 6.3.1 — fixed in 6.3.1
How to fix
Upgrade to a fixed version: WP OAuth Server ( Login with WordPress ) 6.3.1. Check the vendor advisory for mitigations.
References
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