diff --git a/cves/2021/CVE-2021-21311.yaml b/cves/2021/CVE-2021-21311.yaml
index 863376dd7e..30391981ba 100644
--- a/cves/2021/CVE-2021-21311.yaml
+++ b/cves/2021/CVE-2021-21311.yaml
@@ -34,6 +34,6 @@ requests:
       - type: word
         part: body
         words:
-          - "<title>400 - Bad Request</title>"
+          - "&lt;title&gt;400 - Bad Request&lt;/title&gt;"
 
 # Enhanced by mp on 2022/06/27