Vulnerability · Published Aug 27, 2026 · Assigned by WPScan

CVE-2026-19715WP OAuth Server < 6.3.1 - Unauthenticated OAuth Token and User Data Disclosure via Debug Log File

High 7.5

In plain English

A high-severity information exposure in WP OAuth Server ( Login with WordPress ) from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.4%top 62.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
Unknown	WP OAuth Server ( Login with WordPress )	0 – before 6.3.1

Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

https://wpscan.com/vulnerability/94987bd9-7ac2-44fd-93df-52892c2a4622/ exploit, vdb-entry, technical-description