diff --git a/http/cves/2023/CVE-2023-4220.yaml b/http/cves/2023/CVE-2023-4220.yaml
index 3f69ea23a4..4529ba4632 100644
--- a/http/cves/2023/CVE-2023-4220.yaml
+++ b/http/cves/2023/CVE-2023-4220.yaml
@@ -8,9 +8,9 @@ info:
     Unrestricted file upload in big file upload functionality in `/main/inc/lib/javascript/bigupload/inc/bigUpload.php` in Chamilo LMS <= v1.11.24 allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution via uploading of web shell.
   reference:
     - https://github.com/Ziad-Sakr/Chamilo-LMS-CVE-2023-4220-Exploit
-    - https://nvd.nist.gov/vuln/detail/CVE-2023-4220
     - https://github.com/charlesgargasson/CVE-2023-4220
     - https://starlabs.sg/advisories/23/23-4220/
+    - https://nvd.nist.gov/vuln/detail/CVE-2023-4220
   classification:
     cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
     cvss-score: 6.1
@@ -20,6 +20,7 @@ info:
     epss-percentile: 0.52876
     cpe: cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*
   metadata:
+    max-request: 2
     vendor: chamilo
     product: chamilo_lms
     shodan-query: "X-Powered-By: Chamilo"