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CVE-2026-85682— YOP Poll <= 7.0.10 - Unauthenticated Origin Validation Error to Administrator Account Takeover via '/auth/wp-login-redirect' REST Route

Quick assessment

Affected
yourownprogrammer YOP Poll
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 的 YOP Poll 插件在所有版本中（包括 7.0.10 及更早版本）存在源验证错误漏洞。该漏洞是由于插件通过 将 非ces 令牌发送至 时，使用了通配符 作为 参数，从而未严格校验来源域。这使得未经身份验证的攻击者可以窃取属于已登录管理员的 REST 非ces 令牌，并利用该令牌修改管理员的电子邮件地址和密码，最终导致管理员账户被完全接管。要利用此漏洞，管理员必须访问由攻击者控制的网页。

CVSS 8.8 · High EPSS 0.14% · P2
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I. Basic Information for CVE-2026-85682

Vulnerability Information
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Vulnerability Title
YOP Poll <= 7.0.10 - Unauthenticated Origin Validation Error to Administrator Account Takeover via '/auth/wp-login-redirect' REST Route
Source: CVE Program / CVE List V5
Vulnerability Description
The YOP Poll plugin for WordPress is vulnerable to Origin Validation Error in all versions up to, and including, 7.0.10. This is due to the plugin transmitting a wp_rest nonce to window.opener via postMessage() with a wildcard targetOrigin. This makes it possible for unauthenticated attackers to steal a REST nonce scoped to a logged-in Administrator and use it to change the Administrator's email address and password, resulting in full account takeover. The Administrator must open an attacker-controlled page in order to exploit this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
源验证错误
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
yourownprogrammer YOP Poll 0 ~ 7.0.10 -

II. Public POCs for CVE-2026-85682

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-85682

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Vendor Advisories for CVE-2026-85682 (1)

Other References for CVE-2026-85682 (1)

IV. Related Vulnerabilities

Same product: YOP Poll
Same vendor: yourownprogrammer
Same weakness: CWE-346

V. Comments for CVE-2026-85682

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