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WP OAuth Server ( Login with WordPress ) vulnerabilities

WP OAuth Server ( Login with WordPress ) has 3 known vulnerabilities in this database. The most recent published record is dated 23 Sep 2026.

Known vulnerabilities
3
Active installs
1,000+
Latest version
6.4.0
Last updated
18 Sep 2026
Most recent
23 Sep 2026

Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.

VulnerabilitySeverityAffectedFixPublished
Authentication bypass
CVE-2026-82843
Critical 9.0Before 6.4.0Fixed in 6.4.023 Sep 2026
Sensitive data exposure
CVE-2026-19715
High 7.5Before 6.3.1Fixed in 6.3.127 Aug 2026
Authentication bypass
CVE-2022-34149
Critical 9.8Up to 3.0.4Fixed in a later version (latest 6.4.0)22 Aug 2022
Read the published descriptions
CVE-2026-82843, 23 Sep 2026
The WP OAuth Server ( Login with WordPress ) WordPress plugin before 6.4.0 does not bind the OpenID Connect identity assertion it issues to the authorization grant being exchanged, returning instead the assertion belonging to whichever user authenticated most recently, which allows users with the Subscriber role and above to obtain a validly signed identity assertion for another user, including an administrator, and authenticate as them at any application that uses the site for single sign-on. CVE record
CVE-2026-19715, 27 Aug 2026
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. CVE record
CVE-2022-34149, 22 Aug 2022
Authentication Bypass vulnerability in miniOrange WP OAuth Server plugin <= 3.0.4 at WordPress. CVE record

What to do if you run WP OAuth Server ( Login with WordPress )

If you run WP OAuth Server ( Login with WordPress ), open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.

If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.

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