CVE-2025-53092

Medium

Description

Strapi is an open source headless content management system. Strapi versions prior to 5.20.0 contain a CORS misconfiguration vulnerability in default installations. By default, Strapi reflects the value of the Origin header back in the Access-Control-Allow-Origin response header without proper validation or whitelisting. This allows an attacker-controlled site to send credentialed requests to the Strapi backend. An attacker can exploit this by hosting a malicious site on a different origin (e.g., different port) and sending requests with credentials to the Strapi API. The vulnerability is fixed in version 5.20.0. No known workarounds exist.

SeverityMedium
CVSS6.5
Exploit probability—
ProductStrapi
PublishedOct 16, 2025
First seenOct 16, 2025

How to fix

Update
  • strapi strapi5.20.0 or later
  • @strapi/core5.20.0 or later

Affected products

ProductAffected versionsFixed in
strapi strapiv < 5.20.05.20.0
@strapi/corenpmv < 5.20.05.20.0

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