CVE-2026-65508: CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') in NSquared Simply Schedule Appointments
CVE-2026-65508 is a critical unauthenticated SQL Injection vulnerability affecting Simply Schedule Appointments versions up to and including 1.6.12.10. This vulnerability allows an attacker to inject SQL commands without authentication, potentially leading to high confidentiality impact and limited availability impact. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-65508) is an unauthenticated SQL Injection in Simply Schedule Appointments software versions up to 1.6.12.10. It involves improper neutralization of special elements used in SQL commands (CWE-89), allowing remote attackers to execute SQL commands without authentication. The CVSS 3.1 base score is 9.3, indicating critical severity with network attack vector, low attack complexity, no privileges required, no user interaction, scope changed, high confidentiality impact, no integrity impact, and low availability impact. No patch or official remediation level has been published as of the data provided.
Potential Impact
The vulnerability allows remote unauthenticated attackers to execute SQL injection attacks, potentially leading to unauthorized disclosure of sensitive information (high confidentiality impact). The integrity of the data is not impacted according to the CVSS vector, but availability may be slightly affected. This could compromise the confidentiality of the backend database used by Simply Schedule Appointments.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor vendor communications for updates. Until a patch is available, consider restricting access to the affected application and applying web application firewall (WAF) rules to detect and block SQL injection attempts if feasible.
CVE-2026-65508: CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') in NSquared Simply Schedule Appointments
Description
CVE-2026-65508 is a critical unauthenticated SQL Injection vulnerability affecting Simply Schedule Appointments versions up to and including 1.6.12.10. This vulnerability allows an attacker to inject SQL commands without authentication, potentially leading to high confidentiality impact and limited availability impact. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
CVSS v3.1
Score 9.3critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-65508) is an unauthenticated SQL Injection in Simply Schedule Appointments software versions up to 1.6.12.10. It involves improper neutralization of special elements used in SQL commands (CWE-89), allowing remote attackers to execute SQL commands without authentication. The CVSS 3.1 base score is 9.3, indicating critical severity with network attack vector, low attack complexity, no privileges required, no user interaction, scope changed, high confidentiality impact, no integrity impact, and low availability impact. No patch or official remediation level has been published as of the data provided.
Potential Impact
The vulnerability allows remote unauthenticated attackers to execute SQL injection attacks, potentially leading to unauthorized disclosure of sensitive information (high confidentiality impact). The integrity of the data is not impacted according to the CVSS vector, but availability may be slightly affected. This could compromise the confidentiality of the backend database used by Simply Schedule Appointments.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor vendor communications for updates. Until a patch is available, consider restricting access to the affected application and applying web application firewall (WAF) rules to detect and block SQL injection attempts if feasible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-07-22T08:53:52.510Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a749d37bf8831d539db9e7e
Added to database: 08/06/2026, 14:41:59 UTC
Last enriched: 08/06/2026, 18:22:47 UTC
Last updated: 08/06/2026, 19:13:35 UTC
Views: 3
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