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high advisory

Online Appointment Booking System 1.0: Unauthenticated SQL Injection (CVE-2025-7753)

A public proof-of-concept exploit exists for an unauthenticated, time-based SQL injection vulnerability in the username parameter of the /admin/adddoctor.php endpoint in Online Appointment Booking System 1.0.

CVE search metadata

CVE search record: CVE-2025-7753. Severity: high. CVSS: 7.3. EPSS: 0.49%. KEV: no. Product: Online Appointment Booking System 1.0. Brief: Online Appointment Booking System 1.0: Unauthenticated SQL Injection (CVE-2025-7753). Brief link: https://feed.craftedsignal.io/briefs/2026-11-cve-2025-7753/

Triage facts

Revision 1
Applicability
Online Appointment Booking System 1.0
Evidence
Not observedLow confidence
Severity
High
Sources
2 public sources
Freshness
Revision 1Nov 9, 13:35 UTC
Vulnerabilities
1 CVE
Source quality
C3Roughly even chance

An unauthenticated, time-based SQL injection vulnerability (CVE-2025-7753) has been identified in version 1.0 of the Online Appointment Booking System. The vulnerability resides in the 'username' parameter of the '/admin/adddoctor.php' file. Public proof-of-concept exploit code is available, which utilizes libcurl on Linux systems to execute SQL queries. The vulnerability is rated with a CVSS score of 9.8 (Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).