Strapi before 3.0.2 could allow a remote authenticated attacker to bypass security restrictions because templates are stored in a global variable without any sanitation. By sending a specially crafted request, an attacker could exploit this vulnerability to update the email template for both password reset and account confirmation emails.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-13961
• strapi/strapi#6599
• https://exchange.xforce.ibmcloud.com/vulnerabilities/183045
• https://github.com/strapi/strapi/releases/tag/v3.0.2