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Advisories

Lektor 3.3.14 CSRF via Admin API Endpoints

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severity
high
date
Affecting

  • lektor <= 3.3.14

  • lektor >= 3.4.0b1, <= 3.4.0b15

CWE
  • CWE-352 Cross-Site Request Forgery (CSRF)
CVSS
7
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
Mansur Mavlankulov
Description
Lektor 3.3.14 and 3.4.0b15 contains a cross-site request forgery vulnerability in the admin API blueprint that allows unauthenticated attackers to perform state-changing actions by sending cross-origin requests without CSRF tokens, Origin/Referer validation, CORS configuration, or Host allowlisting. Attackers can exploit the newattachment, deleterecord, build, clean, and publish endpoints from a malicious web page to write arbitrary files, delete pages, wipe build output, trigger deployment publication, and via DNS rebinding reach read endpoints to disclose data.

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