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CVE-2026-57961— phpMyFAQ - Authenticated Path Traversal in PDF Export via concatenatePaths Function

Quick assessment

Affected
phpMyFAQ phpMyFAQ
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.

phpmyfaq是phpmyfaq团队开源的一套FAQ知识库管理系统。 phpMyFAQ 4.1.5之前版本存在路径遍历漏洞，该漏洞源于concatenatePaths()函数中存在路径遍历问题，可能导致具有FAQ编辑权限的用户读取预期内容目录之外的文件。

CVSS 2.7 · Low EPSS 0.40% · P32

Affected Version Matrix 2

VendorProduct Version RangeStatus
phpMyFAQ phpMyFAQ < 4.1.5 affected
4.1.5 unaffected
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I. Basic Information for CVE-2026-57961

Vulnerability Information
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Vulnerability Title
phpMyFAQ - Authenticated Path Traversal in PDF Export via concatenatePaths Function
Source: CVE Program / CVE List V5
Vulnerability Description
phpMyFAQ before 4.1.5 contains a potential authenticated path traversal vulnerability in the concatenatePaths() function within src/phpMyFAQ/Export/Pdf/Wrapper.php. A user with FAQ editing privileges can store HTML containing crafted image paths that are processed during PDF generation. The path resolution logic locates the substring "content" within a user-controlled path using strpos(); when "content" is absent, strpos() returns false, which becomes 0 when cast to an integer, preserving the entire attacker-controlled path. This path is later passed to file_get_contents() without canonicalization or root-directory containment validation, which may allow reading of files outside the intended content directory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
phpMyFAQ 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
phpmyfaq是phpmyfaq团队开源的一套FAQ知识库管理系统。 phpMyFAQ 4.1.5之前版本存在路径遍历漏洞，该漏洞源于concatenatePaths()函数中存在路径遍历问题，可能导致具有FAQ编辑权限的用户读取预期内容目录之外的文件。
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
phpMyFAQ phpMyFAQ 0 ~ 4.1.5 -

II. Public POCs for CVE-2026-57961

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III. Intelligence Information for CVE-2026-57961

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Vendor Advisories for CVE-2026-57961 (2)

IV. Related Vulnerabilities

Same product: phpMyFAQ
Same vendor: phpMyFAQ
Same weakness: CWE-22

V. Comments for CVE-2026-57961

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