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CVE-2026-105124— W (wcms) through 3.18.0 Unauthenticated Stored XSS via Login Username and Comments

Quick assessment

Affected
vincent-peugnet wcms
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.

W CMS（版本范围：从早期版本到 3.18.0）存在一个存储型跨站脚本（XSS）漏洞，未授权攻击者可通过登录用户的用户名字段和访客评论的网站字段注入恶意脚本。攻击者可以提交失败的登录请求，这些请求会被未转义地显示在管理员日志查看器（adminlog.php）中；或者将恶意评论网址回显到 editrightbar.php 页面中的 href 属性中，从而以管理员或编辑者权限执行脚本。

CVSS 6.1 · Medium EPSS 0.21% · P11

Affected Version Matrix 1

VendorProduct Version RangeStatus
vincent-peugnet wcms ≤ 3.18.0 affected
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I. Basic Information for CVE-2026-105124

Vulnerability Information
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Vulnerability Title
W (wcms) through 3.18.0 Unauthenticated Stored XSS via Login Username and Comments
Source: CVE Program / CVE List V5
Vulnerability Description
W (vincent-peugnet/wcms) through 3.18.0 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts via the login user field and visitor comment website field. Attackers can submit failed logins rendered unescaped in the adminlog.php log viewer, or comment URLs echoed into href attributes in editrightbar.php, executing script with administrator or editor privileges.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
vincent-peugnet wcms 0 ~ 3.18.0 -

II. Public POCs for CVE-2026-105124

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III. Intelligence Information for CVE-2026-105124

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Patches & Fixes for CVE-2026-105124 (3)

Vendor Advisories for CVE-2026-105124 (1)

Proof of Concept for CVE-2026-105124 (1)

Other References for CVE-2026-105124 (1)

IV. Related Vulnerabilities

Same product: wcms
Same vendor: vincent-peugnet
Same weakness: CWE-79

V. Comments for CVE-2026-105124

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