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CVE-2026-116610— Clean Login <= 1.20.1 - Missing Authorization to Authenticated (Contributor+) Arbitrary Clean-Login Option Update via 'save_post' Hook

Quick assessment

Affected
hornero Clean 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.

WordPress 的 Clean Login 插件在 1.20.1 及更早版本中存在“缺少授权检查”的漏洞。该问题源于 函数在绑定到 动作时未进行权限（capability）验证。这使得拥有 Contributor（投稿者）级别及以上权限的已认证攻击者，能够通过在自己撰写的文章内容中嵌入该插件的短代码，将插件的以下选项（ 、 、 、 、 、 、 、 、 、 ）篡改为攻击者自身所创建文章的 ID 和永久链接。

CVSS 4.3 · Medium
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I. Basic Information for CVE-2026-116610

Vulnerability Information
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Vulnerability Title
Clean Login <= 1.20.1 - Missing Authorization to Authenticated (Contributor+) Arbitrary Clean-Login Option Update via 'save_post' Hook
Source: CVE Program / CVE List V5
Vulnerability Description
The Clean Login plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 1.20.1 due to a missing capability check on the CleanLogin_Shortcode::get_pages_with_shortcodes() function hooked to the save_post action. This makes it possible for authenticated attackers, with Contributor-level access and above, to overwrite the plugin's cl_login_url/cl_login_id/cl_register_url/cl_register_id/cl_restore_url/cl_restore_id/cl_edit_url/cl_edit_id/cl_change_password_url/cl_change_password_id options with the ID and permalink of a post they themselves authored — simply by embedding the plugin's shortcodes in their own post content.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
hornero Clean Login 0 ~ 1.20.1 -

II. Public POCs for CVE-2026-116610

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III. Intelligence Information for CVE-2026-116610

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Other References for CVE-2026-116610 (5)

IV. Related Vulnerabilities

Same product: Clean Login
Same vendor: hornero
Same weakness: CWE-862