CVE-2026-27474— SPIP < 4.4.9 Cross-Site Scripting in Private Area (Incomplete Fix)
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I. Basic Information for CVE-2026-27474
Vulnerability Information
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Vulnerability Title
SPIP < 4.4.9 Cross-Site Scripting in Private Area (Incomplete Fix)
Source: NVD (National Vulnerability Database)
Vulnerability Description
SPIP before 4.4.9 allows Cross-Site Scripting (XSS) in the private area, complementing an incomplete fix from SPIP 4.4.8. The echappe_anti_xss() function was not systematically applied to input, form, button, and anchor (a) HTML tags, allowing an attacker to inject malicious scripts through these elements. This vulnerability is not mitigated by the SPIP security screen.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
SPIP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SPIP是SPIP开源的一个用于创建 Internet 站点的免费软件。 SPIP 4.4.9之前版本存在安全漏洞，该漏洞源于echappe_anti_xss函数未系统应用于输入、表单、按钮和锚点HTML标签，可能导致跨站脚本攻击。
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
II. Public POCs for CVE-2026-27474
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · SPIP · 2026-02-19 · 11 CVEs total
| CVE-2025-71243 | 9.8 CRITICAL | SPIP Saisies Plugin < 5.11.1 Remote Code Execution |
| CVE-2026-27475 | 8.1 HIGH | SPIP < 4.4.9 Insecure Deserialization |
| CVE-2025-71242 | 6.5 MEDIUM | SPIP < 4.3.6 Authorization Bypass Leading to Content Disclosure |
| CVE-2026-27473 | 6.4 MEDIUM | SPIP < 4.4.9 Stored Cross-Site Scripting via Syndicated Sites |
| CVE-2026-26223 | 6.1 MEDIUM | SPIP < 4.4.8 Cross-Site Scripting via Iframe Tags in Private Area |
| CVE-2025-71241 | 6.1 MEDIUM | SPIP < 4.3.6 Cross-Site Scripting in Private Area |
| CVE-2025-71244 | 6.1 MEDIUM | SPIP < 4.4.5 Open Redirect via Login Form |
| CVE-2026-26345 | 5.4 MEDIUM | SPIP < 4.4.8 Cross-Site Scripting in Public Area |
| CVE-2025-71240 | 5.4 MEDIUM | SPIP < 4.2.15 Cross-Site Scripting via Code Tags |
| CVE-2026-27472 | 4.3 MEDIUM | SPIP < 4.4.9 Blind Server-Side Request Forgery via Syndicated Sites |
IV. Related Vulnerabilities
V. Comments for CVE-2026-27474
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