CVE-2026-19715

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

HIGH
7.5
CVSS Score
Published: August 27, 2026 at 06:00 AM UTC
Updated: August 28, 2026 at 07:02 PM UTC
1 product affected across 1 vendorWp Oauth Server

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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

60%
v < 6.3.1
Affected range stops below 6.3.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-200

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