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CVE-2025-65956— Formwork CMS Has a Stored Cross-Site Scripting (XSS) Vulnerability in Blog Tags

Quick assessment

Affected
getformwork formwork
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.

Formwork是Formwork开源的一个基于平面文件的内容管理系统（CMS）。用于构建和管理简单网站。 Formwork 2.2.0之前版本存在跨站脚本漏洞，该漏洞源于未清理博客标签字段输入，可能导致存储型跨站脚本攻击。

CVSS 6.5 · Medium EPSS 0.20% · P10
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I. Basic Information for CVE-2025-65956

Vulnerability Information
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Vulnerability Title
Formwork CMS Has a Stored Cross-Site Scripting (XSS) Vulnerability in Blog Tags
Source: CVE Program / CVE List V5
Vulnerability Description
Formwork is a flat file-based Content Management System (CMS). Prior to version 2.2.0, inserting unsanitized data into the blog tag field results in stored cross‑site scripting (XSS). Any user with credentials to the Formwork CMS who accesses or edits an affected blog post will have attacker‑controlled script executed in their browser. The issue is persistent and impacts privileged administrative workflows. This issue has been patched in version 2.2.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Formwork 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Formwork是Formwork开源的一个基于平面文件的内容管理系统（CMS）。用于构建和管理简单网站。 Formwork 2.2.0之前版本存在跨站脚本漏洞，该漏洞源于未清理博客标签字段输入，可能导致存储型跨站脚本攻击。
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

Vendor Product Affected Versions CPE Subscribe
getformwork formwork < 2.2.0 -

II. Public POCs for CVE-2025-65956

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III. Intelligence Information for CVE-2025-65956

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IV. Related Vulnerabilities

Same product: formwork
Same vendor: getformwork
Same weakness: CWE-79

V. Comments for CVE-2025-65956

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