CVE-2026-39963: Serendipity has a Host Header Injection allows authentication cookie scoping to attacker-controlled domain in...
MEDIUM
CVSS 6.9
Exploit Available
Published: April 14, 2026 | Last Modified: April 14, 2026
Description
Serendipity has a Host Header Injection allows authentication cookie scoping to attacker-controlled domain in functions_config.inc.php
Ghostwire Analysis — What This Means Practically
- Medium CVSS score indicates moderate risk — exploitation requires specific conditions or results in limited impact.
- Exploit code is reported to be available, increasing the likelihood of active exploitation.
This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.
References