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CVE-2026-8457— WooCommerce - Social Login <= 2.8.7 - Unauthenticated Authentication Bypass via Forged Apple 'id_token' JWT

Quick assessment

Affected
WPWeb WooCommerce - Social Login
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.

WPWeb WooCommerce - Social Login是WPWeb公司的一款提供社交登录功能的插件。 WPWeb WooCommerce - Social Login 2.8.7及之前版本存在授权问题漏洞，该漏洞源于Apple登录处理程序仅解码id_token的base64载荷，未验证JWT签名及issuer、audience、expiry声明，且登录流程所需的安全随机数公开暴露，可能导致未经身份验证的攻击者通过伪造id_token登录任意现有用户账户（包括管理员）。

CVSS 9.8 · Critical EPSS 0.70% · P52

Affected Version Matrix 1

VendorProduct Version RangeStatus
WPWeb WooCommerce - Social Login ≤ 2.8.7 affected
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I. Basic Information for CVE-2026-8457

Vulnerability Information
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Vulnerability Title
WooCommerce - Social Login <= 2.8.7 - Unauthenticated Authentication Bypass via Forged Apple 'id_token' JWT
Source: CVE Program / CVE List V5
Vulnerability Description
The WooCommerce - Social Login plugin for WordPress is vulnerable to Authentication Bypass in all versions up to and including 2.8.7. This is due to the plugin's Apple login handler accepting the Apple id_token and decoding only its base64 payload without verifying the JWT signature against Apple's public keys or validating the issuer, audience, or expiry claims, combined with the security nonce required to invoke the login flow being publicly exposed to unauthenticated users via a localized JavaScript object on the login page. This makes it possible for unauthenticated attackers to log in as any existing WordPress user — including administrators — by supplying a forged id_token whose payload contains the target user's email address, as that email is used without any role exclusion to resolve a WordPress account and immediately issue an authenticated session for it.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选名称进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
WPWeb WooCommerce - Social Login 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WPWeb WooCommerce - Social Login是WPWeb公司的一款提供社交登录功能的插件。 WPWeb WooCommerce - Social Login 2.8.7及之前版本存在授权问题漏洞，该漏洞源于Apple登录处理程序仅解码id_token的base64载荷，未验证JWT签名及issuer、audience、expiry声明，且登录流程所需的安全随机数公开暴露，可能导致未经身份验证的攻击者通过伪造id_token登录任意现有用户账户（包括管理员）。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
WPWeb WooCommerce - Social Login 0 ~ 2.8.7 -

II. Public POCs for CVE-2026-8457

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III. Intelligence Information for CVE-2026-8457

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Vendor Advisories for CVE-2026-8457 (1)

IV. Related Vulnerabilities

Same product: WooCommerce - Social Login
Same vendor: WPWeb
Same weakness: CWE-289

V. Comments for CVE-2026-8457

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