Unauthenticated Cross Site Scripting (XSS) in Simply Schedule Appointments <= 1.6.12.10 versions. (CVE-2026-65513)
An unauthenticated cross-site scripting (XSS) vulnerability exists in Simply Schedule Appointments versions up to and including 1.6.12.10. This vulnerability allows an attacker to inject malicious scripts that can execute in the context of a user's browser. The vulnerability has a CVSS 3.1 score of 7.1, indicating a high severity level. No patch or remediation information is currently provided. No known exploits in the wild have been reported.
AI Analysis
Technical Summary
CVE-2026-65513 describes an unauthenticated cross-site scripting (XSS) vulnerability in Simply Schedule Appointments affecting versions up to 1.6.12.10. The vulnerability allows remote attackers to inject and execute arbitrary scripts in the context of users without requiring authentication. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and impacts on confidentiality, integrity, and availability at low to low levels. No official patch or fix details are currently available.
Potential Impact
Successful exploitation could allow attackers to execute arbitrary scripts in users' browsers, potentially leading to information disclosure, session hijacking, or other impacts on confidentiality, integrity, and availability. The vulnerability is exploitable remotely without authentication but requires user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider applying web application firewall (WAF) rules to detect and block XSS payloads targeting this application. Monitor vendor channels for updates.
Unauthenticated Cross Site Scripting (XSS) in Simply Schedule Appointments <= 1.6.12.10 versions. (CVE-2026-65513)
Description
An unauthenticated cross-site scripting (XSS) vulnerability exists in Simply Schedule Appointments versions up to and including 1.6.12.10. This vulnerability allows an attacker to inject malicious scripts that can execute in the context of a user's browser. The vulnerability has a CVSS 3.1 score of 7.1, indicating a high severity level. No patch or remediation information is currently provided. No known exploits in the wild have been reported.
CVSS v3.1
Score 7.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-65513 describes an unauthenticated cross-site scripting (XSS) vulnerability in Simply Schedule Appointments affecting versions up to 1.6.12.10. The vulnerability allows remote attackers to inject and execute arbitrary scripts in the context of users without requiring authentication. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and impacts on confidentiality, integrity, and availability at low to low levels. No official patch or fix details are currently available.
Potential Impact
Successful exploitation could allow attackers to execute arbitrary scripts in users' browsers, potentially leading to information disclosure, session hijacking, or other impacts on confidentiality, integrity, and availability. The vulnerability is exploitable remotely without authentication but requires user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider applying web application firewall (WAF) rules to detect and block XSS payloads targeting this application. Monitor vendor channels for updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-wh7j-9mm7-vj2x
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-65513"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a74d1a0bf8831d539236a75
Added to database: 08/06/2026, 18:25:36 UTC
Last enriched: 08/06/2026, 18:27:26 UTC
Last updated: 08/07/2026, 03:40:59 UTC
Views: 5
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