CVE WATCH / VULNERABILITY DETAIL
CVE-2021-48016
CRITICALCVSS 9.8NVD feed
Published 22 October 2026 · tracked since 23 October 2026
Description
DedeCMS through 5.8.1-beta contains a PHP code injection vulnerability in ShowMsg() where the HTTP Referer header is written into a DedeTemplate string and included. Unauthenticated attackers can send a crafted Referer to /plus/flink.php?dopost=save with an empty validate code to execute arbitrary P
References
- NVD — National Vulnerability Database
- CVE.org record (MITRE)
- CISA Known Exploited Vulnerabilities catalog