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CVE-2026-67595— VaahCMS 2.0.0 - 2.3.4 Malicious JavaScript Supply Chain via security-otp.blade.php

Quick assessment

Affected
webreinvent vaahcms
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.

webreinvent vaahcms是webreinvent个人开发者开源的一套内容管理系统。 webreinvent vaahcms 2.0.0版本至2.3.4版本存在处理逻辑错误漏洞，该漏洞源于Blade模板中嵌入了恶意混淆的JavaScript有效负载，可能导致远程攻击者执行未授权代码、窃取密码和抓取Web内容。

CVSS 8.1 · High EPSS 0.42% · P35

Affected Version Matrix 2

VendorProduct Version RangeStatus
webreinvent vaahcms 2.0.0≤ 2.3.4 affected
8d7898f7a385a5fade1180a9b664ff158d873129 unaffected
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I. Basic Information for CVE-2026-67595

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
VaahCMS 2.0.0 - 2.3.4 Malicious JavaScript Supply Chain via security-otp.blade.php
Source: CVE Program / CVE List V5
Vulnerability Description
VaahCMS versions 2.0.0 through 2.3.4 contain a malicious obfuscated JavaScript payload embedded in the Blade template responsible for rendering security OTP emails, allowing remote attackers to execute unauthorized code in any browser that renders the affected email template with JavaScript enabled. The payload establishes a WebSocket connection to a hardcoded command-and-control endpoint, installs a password-field keylogger using MutationObserver to capture dynamically added inputs, scrapes WhatsApp Web DOM content, and accepts remote commands to redirect or overwrite the rendered page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
内嵌的恶意代码
Source: CVE Program / CVE List V5
Vulnerability Title
webreinvent vaahcms 处理逻辑错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
webreinvent vaahcms是webreinvent个人开发者开源的一套内容管理系统。 webreinvent vaahcms 2.0.0版本至2.3.4版本存在处理逻辑错误漏洞，该漏洞源于Blade模板中嵌入了恶意混淆的JavaScript有效负载，可能导致远程攻击者执行未授权代码、窃取密码和抓取Web内容。
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
webreinvent vaahcms 2.0.0 ~ 2.3.4 -

II. Public POCs for CVE-2026-67595

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9099 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-67595

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Patches & Fixes for CVE-2026-67595 (2)

Vendor Advisories for CVE-2026-67595 (1)

IV. Related Vulnerabilities

Same weakness: CWE-506

V. Comments for CVE-2026-67595

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