CVE-2019-11488

Name: CVE-2019-11488
Creator: NVD / NIST
Published: 2019-04-25T21:29:00.463+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.54%

Last modified Jun 17, 2026

CVE-2019-11488 is a vulnerability of currently unknown severity. Incorrect Access Control in the Account Access / Password Reset Link in SimplyBook.me Enterprise before 2019-04-23 allows Unauthorized Attackers to READ/WRITE Customer or Administrator data via a persistent HTTP GET Request Hash Link Replay, as demonstrated by a login-link from the browser history.. EPSS estimates a 1.54% chance of exploitation in the next 30 days.

Description

Incorrect Access Control in the Account Access / Password Reset Link in SimplyBook.me Enterprise before 2019-04-23 allows Unauthorized Attackers to READ/WRITE Customer or Administrator data via a persistent HTTP GET Request Hash Link Replay, as demonstrated by a login-link from the browser history.

Metrics

EPSS Probability

1.54%

71.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Simplybook	Simplybook	< 2019-04-23

References

https://blog.cybrgrade.com/CVE-2019-11488-SimplyBook.me-hash-replay-attack/Exploit, Third Party Advisory
https://cybrgrade.com/files/Report_SimplyBookIt_MD5_Hash_Replay_by_CybrGradeUKLtd.pdfExploit, Technical Description, Third Party Advisory
https://blog.cybrgrade.com/CVE-2019-11488-SimplyBook.me-hash-replay-attack/Exploit, Third Party Advisory
https://cybrgrade.com/files/Report_SimplyBookIt_MD5_Hash_Replay_by_CybrGradeUKLtd.pdfExploit, Technical Description, Third Party Advisory

Timeline

Published: Apr 25, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-11488?

How severe is CVE-2019-11488?

Severity scoring for CVE-2019-11488 is pending analysis. The EPSS model estimates a 1.54% probability of exploitation in the next 30 days.

How do I fix CVE-2019-11488?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-11488?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST