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CVE-2026-73329— CamaleonCMS Stored XSS via Draft Post Title Creation Endpoint

Quick assessment

Affected
owen2345 CamaleonCMS
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.

Owen Peredo Diaz CamaleonCMS是Owen Peredo Diaz个人开发者的一款内容管理系统。 Owen Peredo Diaz CamaleonCMS 2.9.1及之前版本存在跨站脚本漏洞，该漏洞源于对post title参数输入清理不当，可能允许经过身份验证的低权限用户注入未清理的HTML有效载荷，导致存储型跨站脚本攻击，在管理员浏览器中执行任意JavaScript，造成管理员会话劫持、cookie窃取和伪造认证请求。

CVSS 8.7 · High EPSS 0.42% · P34

Affected Version Matrix 1

VendorProduct Version RangeStatus
owen2345 CamaleonCMS ≤ 2.9.1 affected
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I. Basic Information for CVE-2026-73329

Vulnerability Information
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Vulnerability Title
CamaleonCMS Stored XSS via Draft Post Title Creation Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
CamaleonCMS contains a stored cross-site scripting vulnerability that allows authenticated low-privileged users to execute arbitrary JavaScript in an administrator's browser by injecting unsanitized HTML payloads into the post title parameter during draft creation. Attackers can submit a malicious HTML payload as a draft title through the drafts creation endpoint, which is persisted to the database without escaping and later rendered as raw HTML in the admin drafts listing, enabling administrator session compromise, cookie theft, and forged authenticated requests.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/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
Vulnerability Title
Owen Peredo Diaz CamaleonCMS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Owen Peredo Diaz CamaleonCMS是Owen Peredo Diaz个人开发者的一款内容管理系统。 Owen Peredo Diaz CamaleonCMS 2.9.1及之前版本存在跨站脚本漏洞，该漏洞源于对post title参数输入清理不当，可能允许经过身份验证的低权限用户注入未清理的HTML有效载荷，导致存储型跨站脚本攻击，在管理员浏览器中执行任意JavaScript，造成管理员会话劫持、cookie窃取和伪造认证请求。
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
owen2345 CamaleonCMS 0 ~ 2.9.1 -

II. Public POCs for CVE-2026-73329

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7300 chars
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III. Intelligence Information for CVE-2026-73329

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Vendor Advisories for CVE-2026-73329 (1)

Security Blog Posts for CVE-2026-73329 (1)

Other References for CVE-2026-73329 (1)

Same Patch Batch · owen2345 · 2026-08-12 · 5 CVEs total

CVE-2026-73332 8.7 HIGH CamaleonCMS cama_contact_form Plugin Stored XSS via before_html Field
CVE-2026-73326 7.6 HIGH CamaleonCMS Missing Authorization via Plugin Administration Endpoints
CVE-2026-73331 7.1 HIGH CamaleonCMS 2.9.1 Authenticated SQL Injection via Post Slug Field
CVE-2026-73330 6.6 MEDIUM CamaleonCMS 2.9.1 Server-Side Template Injection via test_email Action

IV. Related Vulnerabilities

Same product: CamaleonCMS
Same vendor: owen2345
Same weakness: CWE-79

V. Comments for CVE-2026-73329

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