Vulnerability in Strapi
CVE-2023-22621
Strapi through 4.5.5 allows authenticated Server-Side Template Injection (SSTI) that can be exploited to execute arbitrary code on the server. A remote attacker with access to the Strapi admin panel can inject a crafted payload that executes code on the server into an email template that bypasses the validation checks that should prevent code execution.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.706 (99.4th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.768 · newest: 0.706 · change: -0.062
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/strapi/strapi/releases (Release Notes)
- www.ghostccamm.com/blog/multi_strapi_vulns/ (Exploit, Third Party Advisory)
- strapi.io/blog/security-disclosure-of-vulnerabilities-cve (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-22621?
- CVE-2023-22621 is a high-severity vulnerability in Strapi, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.2/10. Published 2023-04-19.
- How severe is CVE-2023-22621?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2023-22621 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.