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

Quick assessment

Affected
Unknown WP OAuth Server ( Login with WordPress )
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 插件“WP OAuth Server（使用 WordPress 登录）”在 6.3.1 版本之前，未对其写入的调试日志文件的访问权限进行限制。该调试日志存储在一个固定且可公开访问的位置，当启用调试日志记录功能时，未经身份验证的用户可以读取该插件所签发的 OAuth 令牌和授权码，以及包含密码哈希值的用户记录。

AI Predicted 7.5 Difficulty: Easy

Possible ATT&CK Techniques 1 AI

T1213 · Data from Information Repositories
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I. Basic Information for CVE-2026-19715

Vulnerability Information
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Vulnerability Title
WP OAuth Server < 6.3.1 - Unauthenticated OAuth Token and User Data Disclosure via Debug Log File
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown WP OAuth Server ( Login with WordPress ) 0 ~ 6.3.1 -

II. Public POCs for CVE-2026-19715

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III. Intelligence Information for CVE-2026-19715

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Security Blog Posts for CVE-2026-19715 (1)

Same Patch Batch · Unknown · 2026-08-27 · 19 CVEs total

CVE-2026-19223 Smush < 4.3.2 - Admin+ Network-Wide RCE via Hub Connector on Multisite
CVE-2026-13414 CMP - Coming Soon & Maintenance < 4.1.18 - Unauthenticated Maintenance Mode Disable via cm
CVE-2026-13415 CMP - Coming Soon & Maintenance < 4.1.18 - Editor+ Privilege Escalation via cmp_ajax_impor
CVE-2026-13416 CMP - Coming Soon & Maintenance < 4.1.18 - Editor+ Stored XSS via niteoCS_socialmedia
CVE-2026-16569 ShopApper <= 0.4.62 - Subscriber+ Arbitrary Product Stock Update
CVE-2026-16568 ShopApper <= 0.4.62 - Subscriber+ Customer Data Disclosure via IDOR
CVE-2026-16567 Document Embedder < 2.3.1 - Unauthenticated Private Document Download via Token Oracle
CVE-2026-19225 Defender Security < 6.2.0 - Admin+ Network-Wide RCE via Hub Connector on Multisite
CVE-2026-19454 JetBackup 3.1.18.8 - 3.1.23.3 - Admin+ Multisite Network Backup Download
CVE-2026-78137 StoreGrowth: Smart Sales Booster for WooCommerce < 2.1.2 - Unauthenticated Arbitrary Price
CVE-2026-76549 UpdraftPlus < 1.26.7 - Backup Restoration via CSRF
CVE-2026-78125 LearnPress – Sepay Payment < 4.0.3 - Unauthenticated Order Status Disclosure
CVE-2026-77017 Workeera Remote Tech Job Board < 1.0.6 - Subscriber+ Arbitrary File Read via Candidate Pro
CVE-2026-77016 Workeera Remote Tech Job Board < 1.0.6 - Subscriber+ Arbitrary File Deletion via Candidate
CVE-2026-77018 Workeera Remote Tech Job Board < 1.0.6 - Subscriber+ Arbitrary File Upload via Candidate P
CVE-2026-78333 12 Step Meeting List 3.17 - 3.19.16 - Unauthenticated Stored XSS via Geocode Event Log
CVE-2026-78138 Finale Lite < 2.21.0 - Subscriber+ Campaign Configuration Disclosure via wcct_quick_view_h
CVE-2026-78139 Notifima < 3.1.4 - Subscriber+ Stock Alert Unsubscription via IDOR

IV. Related Vulnerabilities

Same vendor: Unknown

V. Comments for CVE-2026-19715

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