Medium severity4.3NVD Advisory· Published Jul 21, 2026· Updated Jul 22, 2026

CVE-2026-16486

Description

A vulnerability was found in SourceCodester Class and Exam Timetabling System 1.0. This affects an unknown part of the file /BSIS.php. Performing a manipulation of the argument day results in cross site scripting. The attack may be initiated remotely. The exploit has been made public and could be used.

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

MediumCVSS v3.1

4.3/ 10

CVSS v42.1

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/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: Required
Scope: Unchanged
Confidentiality: None
Integrity: Low
Availability: None

Vector

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

EPSS

Probability of exploitation in the next 30 days.

0.47%

VYPR risk score

Composite of severity, exploitation, and reach.

0.28low

cvss	0.280
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-94
Improper Control of Generation of Code ('Code Injection')

CVE ID

CVE-2026-16486

Credits

H(
HackFive (VulDB User)
reporter