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PHP CVE-2026-4573

| EUVD-2026-14363 LOW
SQL Injection (CWE-89)
2026-03-23 VulDB GHSA-wcm9-77g7-g8p2
2.1
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
2.1 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

7
Severity Changed
Apr 29, 2026 - 01:11 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:11 NVD
5.3 (MEDIUM) 2.1 (LOW)
CVSS changed
Apr 24, 2026 - 16:37 NVD
6.3 (MEDIUM) 5.3 (MEDIUM)
PoC Detected
Mar 23, 2026 - 14:31 vuln.today
Public exploit code
EUVD ID Assigned
Mar 23, 2026 - 05:45 euvd
EUVD-2026-14363
Analysis Generated
Mar 23, 2026 - 05:45 vuln.today
CVE Published
Mar 23, 2026 - 05:01 nvd
MEDIUM 6.3

DescriptionCVE.org

A security vulnerability has been detected in SourceCodester Simple E-learning System 1.0. This affects an unknown part of the file /includes/form_handlers/delete_post.php of the component HTTP GET Parameter Handler. The manipulation of the argument post_id leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

AnalysisAI

SQL injection in SourceCodester Simple E-learning System 1.0 allows authenticated attackers to manipulate the post_id parameter in the delete_post.php endpoint, enabling unauthorized data access, modification, or deletion. Public exploit code exists for this vulnerability, and no patch is currently available.

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Vulnerability AssessmentAI

Risk Assessment The CVSS 3.1 score of 6.3 reflects a medium-severity vulnerability with network accessibility (AV:N), low attack complexity (AC:L), and low privilege requirements (PR:L), meaning any authenticated user can trigger the flaw. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An authenticated user with legitimate access to the e-learning system (such as a student or low-privilege instructor) crafts a malicious URL targeting the delete_post.php endpoint, injecting SQL syntax into the post_id GET parameter—for example, ?post_id=1' OR '1'='1. Because the parameter is not sanitized, the injected SQL is concatenated directly into the database query, allowing the attacker to bypass the intended deletion logic and instead extract sensitive data such as user credentials, course enrollment information, or grades. …
Remediation Immediate action requires upgrading SourceCodester Simple E-learning System to a patched version released after version 1.0; however, no specific patched version is documented in available sources—contact SourceCodester support at https://www.sourcecodester.com/ to obtain a security update or determine if version 1.0 is still maintained. … Detailed patch versions, workarounds, and compensating controls in full report.

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Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

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CVE-2026-4573 vulnerability details – vuln.today

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