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TI-2019-08581 Aliases CVE-2019-11489GHSA-m746-3c43-hv27

Incorrect Access Control in the Administrative Management Interface in SimplyBook.me…

Priority MEDIUM 43Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

Incorrect Access Control in the Administrative Management Interface in SimplyBook.me Enterprise before 2019-04-23 allows Authenticated Low-Priv Users to Elevate Privileges to Full Admin Rights via a crafted HTTP PUT Request, as demonstrated by modified JSON data to a /v2/rest/ URI.

Why it matters now

EPSS 0.02516 84th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:simplybook:simplybook:*:*:*:*:enterprise:*:*:*before 2019-04-23VulnerableSimplybook
  • cpe:2.3:a:simplybook:simplybook:*:*:*:*:enterprise:*:*:* Versions before 2019-04-23 Vulnerable ·Simplybook

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-11489
  2. 2026-10-03 Alias added: GHSA-m746-3c43-hv27

References

Exploit 2

  • TI-2019-08913 SimplyBook.me through 2019-05-11 does not properly restrict File Upload which could allow remote code execution. CVSS 3.0CRITICAL 9.8
  • TI-2019-08580 Incorrect Access Control in the Account Access / Password Reset Link in SimplyBook.me… CVSS 3.0HIGH 8.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences