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CVE-2021-4302— slackero phpwcms SVG File cross site scripting

Quick assessment

Affected
slackero phpwcms
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.

phpwcms是一个开源的Web内容管理系统。它快速，易于安装并可运行在任何支持PHP/MySQL的标准web服务器平台上。 phpwcms 1.9.26之前版本存在跨站脚本漏洞，该漏洞源于组件 SVG 文件处理程序的未知部分，攻击者利用该漏洞可导致跨站脚本。

CVSS 3.5 · Low EPSS 0.53% · P43

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-4302

Vulnerability Information
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Vulnerability Title
slackero phpwcms SVG File cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in slackero phpwcms up to 1.9.26. It has been classified as problematic. This affects an unknown part of the component SVG File Handler. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. Upgrading to version 1.9.27 is able to address this issue. The patch is named b39db9c7ad3800f319195ff0e26a0981395b1c54. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-217419.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/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
phpwcms 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
phpwcms是一个开源的Web内容管理系统。它快速，易于安装并可运行在任何支持PHP/MySQL的标准web服务器平台上。 phpwcms 1.9.26之前版本存在跨站脚本漏洞，该漏洞源于组件 SVG 文件处理程序的未知部分，攻击者利用该漏洞可导致跨站脚本。
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
slackero phpwcms 1.9.0 -

II. Public POCs for CVE-2021-4302

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III. Intelligence Information for CVE-2021-4302

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Patches & Fixes for CVE-2021-4302 (1)

Vendor Advisories for CVE-2021-4302 (2)

Other References for CVE-2021-4302 (1)

IV. Related Vulnerabilities

Same product: phpwcms
Same vendor: slackero
Same weakness: CWE-79

V. Comments for CVE-2021-4302

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