Low severity3.5NVD Advisory· Published Jul 19, 2026· Updated Jul 20, 2026

CVE-2026-16203

Description

A vulnerability was identified in SourceCodester Class and Exam Timetabling System 1.0. Affected by this issue is some unknown functionality of the file /forCYS.php. Such manipulation of the argument course leads to cross site scripting. The attack may be performed from remote. The exploit is publicly available and might 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

LowCVSS v3.1

3.5/ 10

CVSS v42.0

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

Vector

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

EPSS

Probability of exploitation in the next 30 days.

0.35%

VYPR risk score

Composite of severity, exploitation, and reach.

0.23low

cvss	0.227
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-2026-16203

Credits

A(
AlbaDove (VulDB User)
reporter