WP OAuth Server < 6.3.1 - Unauthenticated OAuth Token and User Data Disclosure via Debug Log File
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | WP OAuth Server ( Login with WordPress ) | before 6.3.1 | 6.3.1 | Patch available | CNA |
- WP OAuth Server ( Login with WordPress ) VendorUnknown Affected before 6.3.1 Fixed in 6.3.1 Patch available CNA
Remediation
- Fix · CNA WP OAuth Server ( Login with WordPress ) (Unknown) Fixed in 6.3.1
Timeline
- 2026-10-02 Threatist record created from CVE-2026-19715
- 2026-10-03 Alias added: GHSA-fjp2-v4jv-4x75
References
Sources
- CVE-2026-19715 · CVE Program
- CVE-2026-19715 · NVD
- FIRST EPSS
- GHSA-fjp2-v4jv-4x75 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences