Unauthenticated data modification and service interruption
Published Jul 13, 2026 · Updated Jul 13, 2026
Missing authorization in Simply Schedule Appointments 1.6.12.4 and earlier allows remote attackers to alter data and interrupt service. Patchstack has not disclosed the affected endpoint or function, the protected operation it exposes, or the access-control check omitted by the plugin. Unauthenticated network access is sufficient, but public sources do not define which data can be changed or how the service is interrupted.
Summary
What happened
Missing authorization in Simply Schedule Appointments 1.6.12.4 and earlier allows remote attackers to alter data and interrupt service. Patchstack has not disclosed the affected endpoint or function, the protected operation it exposes, or the access-control check omitted by the plugin. Unauthenticated network access is sufficient, but public sources do not define which data can be changed or how the service is interrupted.
The record
- CVE
- CVE-2026-57812
- Published
- Jul 13, 2026
- Updated
- Jul 13, 2026
- Vendor
- N Squared Digital, LLC
- Product
- Simply Schedule Appointments
- Classifications
- CWE-862, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jul 13, 2026CVE publishedPublication date reported by the CVE source.
- Jul 13, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <=1.6.12.4 changes=[{"at":"1.6.12.6","status":"unaffected"}]
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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