CVE-2020-13961 Improper Input Validation in strapi
Authenticated attackers can inject malicious code into email templates via unsanitized global variables, allowing modification of password reset and confirmation emails.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-13961?
CVE-2020-13961 is a medium-severity code injection vulnerability in n/a, published on 19 Jun 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-20
Which versions are affected by CVE-2020-13961?
2 open source packages ship an affected version, including strapi. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
strapi npm | All versions | 3.0.2 |
strapi npm | All versions | 3.0.2 |
Products include Strapi Strapi.
How do I fix CVE-2020-13961?
Upgrade strapi to 3.0.2 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2020-13961 being exploited?
There is no known exploitation of CVE-2020-13961 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2023-22894 Strapi Cleartext Storage of Sensitive Information
- CVE-2023-22621 Strapi plugins vulnerable to Server-Side Template Injection and Remote Code Execution in the Users-Permissions Plugin
- CVE-2022-27263 Unrestricted Upload of File with Dangerous Type in Strapi
- CVE-2020-27664 Authorization bypass in Strapi
- CVE-2019-18818 Strapi allows unauthenticated attacker to reset admin password without valid reset token
Sources
Also known as GHSA-65wv-528r-m892.