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CVE-2026-93870— Cotonti through 1.0.0 Cross-Site Request Forgery in the Ratings Plugin AJAX Handler

Quick assessment

Affected
Cotonti Cotonti
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.

Cotonti 1.0.0 及之前版本在评分插件的 AJAX 处理程序中未能正确验证反 CSRF（跨站请求伪造）令牌，攻击者可借此冒充已认证用户伪造评分。攻击者可以构造恶意页面，当已登录用户访问该页面时，页面会自动发送 POST 请求，从而篡改存储的评分数据。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-93870

Vulnerability Information
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Vulnerability Title
Cotonti through 1.0.0 Cross-Site Request Forgery in the Ratings Plugin AJAX Handler
Source: CVE Program / CVE List V5
Vulnerability Description
Cotonti through 1.0.0 fails to validate anti-CSRF tokens in the ratings plugin AJAX handler, allowing attackers to forge ratings on behalf of authenticated users. Attackers can craft malicious pages that auto-submit POST requests to modify stored rating data when visited by logged-in users.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cotonti Cotonti 0 ~ 1.0.0 -

II. Public POCs for CVE-2026-93870

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III. Intelligence Information for CVE-2026-93870

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Patches & Fixes for CVE-2026-93870 (1)

Vendor Pages for CVE-2026-93870 (1)

Other References for CVE-2026-93870 (3)

Same Patch Batch · Cotonti · 2026-09-18 · 6 CVEs total

CVE-2026-93868 8.1 HIGH Cotonti through 1.0.0 Predictable Password Recovery Token via Weak PRNG
CVE-2026-93872 7.5 HIGH Cotonti 1.0.0 PHP Object Injection via Comments Plugin Edit Action cb Parameter
CVE-2026-93869 6.1 MEDIUM Cotonti through 1.0.0 Open Redirect via Unanchored cot_url_check() Regex
CVE-2026-93871 5.4 MEDIUM Cotonti through 1.0.0 Stored Open Redirect via Page redir: Prefix
CVE-2026-93873 4.3 MEDIUM Cotonti through 1.0.0 Cross-Site Request Forgery in the Contact Plugin

IV. Related Vulnerabilities

Same product: Cotonti
Same vendor: Cotonti
Same weakness: CWE-352

V. Comments for CVE-2026-93870

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