chg: [blog] add missing CVE

_posts/2021-07-05-MISP.2.4.145-and-2.4.146.released.md

@@ -36,7 +36,7 @@ New documentation has been added to describe the [session and cookie handling in
 
 # Security Fixes
 
-- Various fixes regarding XSS and potential escaping issues including [CVE-2021-35502](https://cvepremium.circl.lu/cve/CVE-2021-35502).
+- Various fixes regarding XSS and potential escaping issues including [CVE-2021-35502](https://cvepremium.circl.lu/cve/CVE-2021-35502) and [CVE-2021-36212](https://cvepremium.circl.lu/cve/CVE-2021-36212).
 
 Thanks to the reporters including Nicolas Vidal from TEHTRIS.