CVE-2023-5836
CWE-89Published: October 28, 2023· Updated: Jun 17, 2026
Official Description
A vulnerability was found in SourceCodester Task Reminder System 1.0. It has been rated as critical. Affected by this issue is some unknown functionality of the file classes/Users.php?f=delete. The manipulation of the argument id leads to sql injection. The attack may be launched remotely. The identifier of this vulnerability is VDB-243800.
Risk Analysis
The Task Reminder System contains a SQL injection vulnerability in its user management functionality, allowing remote attackers to manipulate database queries. It is a critical risk with a 9.8 CVSS score.
No public exploit is known, and it is not in the KEV catalog. The vulnerability is remotely exploitable with low complexity.
Apply any available patches from the vendor. Ensure that all database inputs are properly parameterized to prevent SQL injection.
Technical Analysis
CVE-2023-5836 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-89)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-5836 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts