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Case File

CVE-2018-17856

HIGH · CVSS 7.2 EPSS 2.69% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-10-09 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2018-17856
Severity
HIGH
CVSS
7.2
EPSS
2.69%

Original Filing — NVD Description

An issue was discovered in Joomla! before 3.8.13. com_joomlaupdate allows the execution of arbitrary code. The default ACL config enabled the ability of Administrator-level users to access com_joomlaupdate and trigger code execution.