Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2019-11489

28
FAUCET Score

CVE-2019-11489 describes an Incorrect Access Control vulnerability in SimplyBook.me Enterprise versions prior to 2019-04-23. This flaw allows authenticated low-privilege users to elevate their privileges to full administrator rights. The vulnerability is rated 8.8 HIGH on the CVSS scale, indicating a critical risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the potential for complete system compromise by an authenticated attacker remains significant.

Impacted Technologies

VendorProductVersion(s)CPE
< 2019-04-23CPE matchmatch criteria
cpe:2.3:a:simplybook:simplybook:*:*:*:*:enterprise:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.56%
Probability of exploitation in next 30 days
EPSS Percentile
83.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0256 is in the 82nd percentile among its peer group of 17,808 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

blog.cybrgrade.com / CVE-2019-11489-SimplyBook.me-privesc
ExploitThird Party Advisory
cybrgrade.com / files/Report_SimplyBookIt_Privesc_by_CybrGradeUKLtd.pdf
ExploitThird Party Advisory