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CVE-2025-46346— YesWiki Vulnerable to Stored XSS in Comments

Quick assessment

Affected
YesWiki yeswiki
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.

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之前版本存在安全漏洞，该漏洞源于评论功能输入清理不足，可能导致存储型跨站脚本攻击。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.32% · P24

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2025-46346

Vulnerability Information
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Vulnerability Title
YesWiki Vulnerable to Stored XSS in Comments
Source: CVE Program / CVE List V5
Vulnerability Description
YesWiki is a wiki system written in PHP. Prior to version 4.5.4, a stored cross-site scripting (XSS) vulnerability was discovered in the application’s comments feature. This issue allows a malicious actor to inject JavaScript payloads that are stored and later executed in the browser of any user viewing the affected comment. The XSS occurs because the application fails to properly sanitize or encode user input submitted to the comments. Notably, the application sanitizes or does not allow execution of `<script>` tags, but does not account for payloads obfuscated using JavaScript block comments like `/* JavaScriptPayload */`. This issue has been patched in version 4.5.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:H/SA: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
YesWiki 安全漏洞
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之前版本存在安全漏洞，该漏洞源于评论功能输入清理不足，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
YesWiki yeswiki < 4.5.4 -

II. Public POCs for CVE-2025-46346

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III. Intelligence Information for CVE-2025-46346

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Patches & Fixes for CVE-2025-46346 (1)

Vendor Advisories for CVE-2025-46346 (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-2025-46349 7.6 HIGH YesWiki Vulnerable to Unauthenticated Reflected Cross-site Scripting
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-2025-46347 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-2025-46346

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