HOMEVULNERABILITIESCVE-2023-2823
CRITICAL

CVE-2023-2823

CWE-89Published: May 20, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

A vulnerability was found in SourceCodester Class Scheduling System 1.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /admin/edit_subject.php of the component GET Parameter Handler. The manipulation of the argument id leads to sql injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-229597 was assigned to this vulnerability.

NVD Source

Risk Analysis

This vulnerability is a SQL injection flaw in the SourceCodester Class Scheduling System that allows remote attackers to manipulate database queries. With a CVSS score of 9.8, it is considered critical due to the potential for full system compromise. No active exploitation in the wild has been confirmed by CISA.

There is no known public exploit for this vulnerability, and it is not in the CISA KEV catalog. It is remotely exploitable with low attack complexity.

Recommended Action

Users should update to the latest version of the Class Scheduling System or apply patches provided by the vendor. Ensure input validation is implemented for all GET parameters.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-2823 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

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

class scheduling system
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (6)

https://vuldb.com/?id.229597Third Party Advisory
https://vuldb.com/?id.229597Third Party Advisory

Quick Facts

CVE IDCVE-2023-2823
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-89
CISA KEVNo
Affected1 vendor(s)
PublishedMay 20, 2023

Related CVEs (CWE-89)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-2823 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.