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CVE-2025-46349— YesWiki Vulnerable to Unauthenticated Reflected Cross-site Scripting

Quick assessment

Affected
YesWiki yeswiki
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

YesWiki是法国YesWiki组织的一个用 PHP 编写的 wiki 系统。用于以协作方式创建和管理网站。 YesWiki 4.5.4之前版本存在跨站脚本漏洞，该漏洞源于文件上传表单存在反射型跨站脚本攻击。

CVSS 7.6 · High EPSS 0.63% · P48

Public Exploits 1

Nuclei · 1 CVE-2025-46349.yaml [template]

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2025-46349

Vulnerability Information
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Vulnerability Title
YesWiki Vulnerable to Unauthenticated Reflected Cross-site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
YesWiki is a wiki system written in PHP. Prior to version 4.5.4, YesWiki is vulnerable to reflected XSS in the file upload form. This vulnerability allows any malicious unauthenticated user to create a link that can be clicked on by the victim to perform arbitrary actions. This issue has been patched in version 4.5.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/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
YesWiki 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
YesWiki是法国YesWiki组织的一个用 PHP 编写的 wiki 系统。用于以协作方式创建和管理网站。 YesWiki 4.5.4之前版本存在跨站脚本漏洞，该漏洞源于文件上传表单存在反射型跨站脚本攻击。
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
YesWiki yeswiki < 4.5.4 -

II. Public POCs for CVE-2025-46349

# POC Description Source Link Shenlong Link
1 YesWiki is a wiki system written in PHP. Prior to version 4.5.4, YesWiki is vulnerable to reflected XSS in the file upload form. This vulnerability allows any malicious unauthenticated user to create a link that can be clicked on by the victim to perform arbitrary actions. This issue has been patched in version 4.5.4. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-46349.yaml POC Details
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7704 chars
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III. Intelligence Information for CVE-2025-46349

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Patches & Fixes for CVE-2025-46349 (1)

Vendor Advisories for CVE-2025-46349 (1)

Same Patch Batch · YesWiki · 2025-04-29 · 7 CVEs total

CVE-2025-46348 10.0 CRITICAL YesWiki Vulnerable to Unauthenticated Site Backup Creation and Download
CVE-2025-46549 4.3 MEDIUM Yeswiki Vulnerable to Unauthenticated Reflected Cross-site Scripting
CVE-2025-46550 4.3 MEDIUM Yeswiki Vulnerable to Unauthenticated Reflected Cross-site Scripting
CVE-2025-46350 3.5 LOW Yeswiki Vulnerable to Authenticated Reflected Cross-site Scripting
CVE-2025-46346 YesWiki Vulnerable to Stored XSS in Comments
CVE-2025-46347 YesWiki Remote Code Execution via Arbitrary PHP File Write and Execution

IV. Related Vulnerabilities

Same product: yeswiki
Same vendor: YesWiki
Same weakness: CWE-79

V. Comments for CVE-2025-46349

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