High severity7.3NVD Advisory· Published Jun 28, 2026· Updated Jun 29, 2026

CVE-2026-13486

Description

A vulnerability was determined in SourceCodester Class and Exam Timetabling System 1.0/6.php. This impacts an unknown function of the file /preview6.php. Executing a manipulation of the argument course_year_section can lead to sql injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

Affected products

Sourcecodester/Class and Exam Timetabling Systemllm-fuzzy
Range: 1.0

Patches

Vulnerability mechanics

References

News mentions

No linked articles in our index yet.

Severity

HighCVSS v3.1

7.3/ 10

CVSS v45.5

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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
Complexity: Low
Privileges: None
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: Low

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS

Probability of exploitation in the next 30 days.

0.43%

VYPR risk score

Composite of severity, exploitation, and reach.

0.47medium

cvss	0.474
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-89
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CVE ID

CVE-2026-13486

Credits

L(
llfak (VulDB User)
reporter