CVE-2026-65896

Summary

Grav API Plugin (Composer package getgrav/grav-plugin-api) before 1.0.10 fails to properly validate the slug field in the POST /pages/{route}/move endpoint. PagesController::move() sanitizes the slug only with ltrim($body['slug'], '.'), which strips leading periods but does not neutralize '/' or '..' segments. An authenticated API caller with the api.pages.write permission can supply path traversal sequences (e.g., 01.home/../../../pwned) to move an entire page directory (content and media) to an arbitrary writable location outside user/pages/, including outside the Grav installation.

Affected Software

Weaknesses

• CWE-73: External Control of File Name or Path

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

Additional References

• https://github.com/getgrav/grav/security/advisories/GHSA-qjq4-jp55-4mx2

References

• https://github.com/getgrav/grav/security/advisories/GHSA-qjq4-jp55-4mx2
• https://github.com/getgrav/grav/commit/f9438d4e71389b1041ac60b69b0b5714ecfa3bdd
• https://www.vulncheck.com/advisories/grav-api-plugin-before-path-traversal-via-move

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