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CVE-2025-46348— YesWiki Vulnerable to Unauthenticated Site Backup Creation and Download

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之前版本存在安全漏洞，该漏洞源于备份请求无需验证，可能导致敏感信息泄露。

CVSS 10.0 · Critical EPSS 0.63% · P47
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I. Basic Information for CVE-2025-46348

Vulnerability Information
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Vulnerability Title
YesWiki Vulnerable to Unauthenticated Site Backup Creation and Download
Source: CVE Program / CVE List V5
Vulnerability Description
YesWiki is a wiki system written in PHP. Prior to version 4.5.4, the request to commence a site backup can be performed and downloaded without authentication. The archives are created with a predictable filename, so a malicious user could create and download an archive without being authenticated. This could result in a malicious attacker making numerous requests to create archives and fill up the file system, or by downloading the archive which contains sensitive site information. 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:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
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，该漏洞源于备份请求无需验证，可能导致敏感信息泄露。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
YesWiki yeswiki < 4.5.4 -

II. Public POCs for CVE-2025-46348

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 9899 chars
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III. Intelligence Information for CVE-2025-46348

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Patches & Fixes for CVE-2025-46348 (1)

Vendor Advisories for CVE-2025-46348 (1)

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

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-2025-46346 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-287

V. Comments for CVE-2025-46348

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