WordPress Simply Schedule Appointments plugin <= 1.6.6.20 - Reflected Cross Site Scripting (XSS) vulnerability

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2024-22311
StatePUBLISHED
AssignerPatchstack
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-03-27 06:15:15 UTC
Updated2026-04-28 19:23:16 UTC
DescriptionImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in N Squared Simply Schedule Appointments allows Reflected XSS.This issue affects Simply Schedule Appointments: from n/a through 1.6.6.20.

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

EPSS: 0.001950000 probability, percentile 0.411920000 (date 2026-04-28)

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
3.1CNACVSS7.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA N Squared Simply Schedule Appointments affected n/a 1.6.6.20 custom Not specified

References

ReferenceSourceLinkTags
patchstack.com/database/vulnerability/simply-schedule-appointments/wordpress... af854a3a-2127-422b-91ae-364da2661108 patchstack.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Rafie Muhammad (Patchstack) (en)

Additional Advisory Data

Solutions

CNA: Update to 1.6.6.24 or a higher version.

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