The WP OAuth Server (OAuth Authentication) WordPress plugin before 4.2.2 does not sanitize and escape Client IDs, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Oauth2 Provider Plugin | — | Update oauth2-provider plugin to version 4.2.2, or a newer patched version | May 15, 2025 | Nov 8, 2022 |
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