CVE-2026-57961— phpMyFAQ - Authenticated Path Traversal in PDF Export via concatenatePaths Function
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-57961
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Vendor Advisories for CVE-2026-57961 (2)
IV. Related Vulnerabilities
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phpMyFAQ - Privilege Escalation via Missing Authorization in - CVE-2026-49205
phpMyFAQ: Missing userHasPermission() in 4 API write endpoin - CVE-2026-48488
phpMyFAQ has Weak Cryptography - SHA1 for Password Hashing
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Same weakness: CWE-22
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PraisonAI before 1.6.78 Path Traversal via config.toml - CVE-2026-54468
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V. Comments for CVE-2026-57961
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