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CVE-2026-125437

WordPress Simply Schedule Appointments plugin <= 1.6.13.0 - Broken Access Control vulnerability

5.3 Medium

CVE-2026-125437 is a medium vulnerability (CVSS 5.3) in Nsquared Simply Schedule Appointments, published November 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. No source names a fixed version.

What does this mean?
Severity
5.3 MediumCVSS 3.1, CVE List
Exploit chance
0.33%EPSS, 26th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

Missing Authorization vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Simply Schedule Appointments: from n/a through 1.6.13.0.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.33%Unchanged since Nov 12, 2026
90%50%10%1%

Affected products

What each source reports

CVE List Score used5.3

WordPress Simply Schedule Appointments plugin <= 1.6.13.0 - Broken Access Control vulnerability

Missing Authorization vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Simply Schedule Appointments: from n/a through 1.6.13.0.

Record
CVE-2026-125437
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-862
Updated
2026-11-11
EUVDEUVD-2026-1233875.3

Missing Authorization vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Simply Schedule Appointments: from n/a through 1.6.13.0.

Record
EUVD-2026-123387
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-11
GitHub AdvisoriesGHSA-2j6h-chgw-vhv45.3

Missing Authorization vulnerability in NSquared Simply Schedule Appointments simply-schedule...

Missing Authorization vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Simply Schedule Appointments: from n/a through 1.6.13.0.

Record
GHSA-2j6h-chgw-vhv4
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-862
Updated
2026-11-11
NVD5.3

Missing Authorization vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Simply Schedule Appointments: from n/a through 1.6.13.0.

Record
CVE-2026-125437
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-862
Updated
2026-11-11

History

History
RecordedChangedSources
publishedEUVD, NVD
aliasesEUVD
products, published, references, severity, titleCVE List
first indexedGitHub Advisories

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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