EndlssNightmare/CVE-2026-18116

PoC

EndlssNightmare/CVE-2026-18116

view exploit source poc_in_githubauthor EndlssNightmarepublished 2026-10-14catalog poc_in_github
01

exploited CVEs (1)

Known CVEs related to this entry.

IDseverity exploitable
CVE-2026-18116USmedium6.1Exploit
Concrete CMS 8.3.0 to 9.5.2 stored calendar event names without sanitization and rendered them without HTML escaping in the workflow approval and deletion notifications shown in th…
scry

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