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CVE-2023-33971— Formcreator vulnerable to stored XSS from ##FULLFORM##

Quick assessment

Affected
pluginsGLPI formcreator
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.

Formcreator是一个允许创建易于访问的自定义表单的插件。 Formcreator 2.13.5及之前版本存在安全漏洞，该漏洞源于存在存储型跨站点脚本（XSS）漏洞，攻击者利用该该漏洞可以执行任意的javascript代码。

CVSS 6.1 · Medium EPSS 0.55% · P44

Possible ATT&CK Techniques 1 AI

T1059.001 · PowerShell
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I. Basic Information for CVE-2023-33971

Vulnerability Information
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Vulnerability Title
Formcreator vulnerable to stored XSS from ##FULLFORM##
Source: CVE Program / CVE List V5
Vulnerability Description
Formcreator is a GLPI plugin which allow creation of custom forms and the creation of one or more tickets when the form is filled. A probable stored cross-site scripting vulnerability is present in Formcreator 2.13.5 and prior via the use of the use of `##FULLFORM##` for rendering. This could result in arbitrary javascript code execution in an admin/tech context. A patch is unavailable as of time of publication. As a workaround, one may use a regular expression to remove `< > "` in all fields.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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
Formcreator 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Formcreator是一个允许创建易于访问的自定义表单的插件。 Formcreator 2.13.5及之前版本存在安全漏洞，该漏洞源于存在存储型跨站点脚本（XSS）漏洞，攻击者利用该该漏洞可以执行任意的javascript代码。
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
pluginsGLPI formcreator <= 2.13.5 -

II. Public POCs for CVE-2023-33971

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III. Intelligence Information for CVE-2023-33971

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Vendor Advisories for CVE-2023-33971 (1)

IV. Related Vulnerabilities

Same vendor: pluginsGLPI
Same weakness: CWE-79

V. Comments for CVE-2023-33971

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