CVE-2024-28235— Contao possible cookie sharing with external domains while checking protected pages for broken links
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I. Basic Information for CVE-2024-28235
Vulnerability Information
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Vulnerability Title
Contao possible cookie sharing with external domains while checking protected pages for broken links
Source: NVD (National Vulnerability Database)
Vulnerability Description
Contao is an open source content management system. Starting in version 4.9.0 and prior to versions 4.13.40 and 5.3.4, when checking for broken links on protected pages, Contao sends the cookie header to external urls as well, the passed options for the http client are used for all requests. Contao versions 4.13.40 and 5.3.4 have a patch for this issue. As a workaround, disable crawling protected pages.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Contao 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Contao是一套采用PHP开发的开源内容管理系统（CMS）。该系统支持搜索引擎、权限管理和CSS框架等。 Contao 4.13.40版本之前的4.x版本和5.3.4版本之前的5.x版本存在安全漏洞，该漏洞源于在检查受保护页面上的损坏链接时，会将cookie标头发送到外部url。
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
II. Public POCs for CVE-2024-28235
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- https://github.com/contao/contao/security/advisories/GHSA-9jh5-qf84-x6prx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2024-28235
Same Patch Batch · contao · 2024-04-09 · 5 CVEs total
| CVE-2024-30262 | 5.9 MEDIUM | Contao's remember-me tokens will not be cleared after a password change |
| CVE-2024-28190 | 5.4 MEDIUM | Contao core bundle vulnerable to cross site scripting in the file manager |
| CVE-2024-28234 | 4.3 MEDIUM | Contao has insufficient BBCode sanitizer |
| CVE-2024-28191 | 3.1 LOW | Contao may have unencoded insert tags in the frontend |
IV. Related Vulnerabilities
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- CVE-2025-65961
Contao is vulnerable to cross-site scripting in templates - CVE-2025-65960
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Contao has improper privilege management for page and articl - CVE-2025-57758
Contao has improper access control in the back end voters - CVE-2025-57757
Contao discloses information in the news module
Same vendor: contao
- CVE-2025-65961
Contao is vulnerable to cross-site scripting in templates - CVE-2025-65960
Contao is vulnerable to remote code execution in template cl - CVE-2025-57759
Contao has improper privilege management for page and articl - CVE-2025-57758
Contao has improper access control in the back end voters - CVE-2025-57757
Contao discloses information in the news module
Same weakness: CWE-200
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V. Comments for CVE-2024-28235
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