CVE-2026-16202
SourceCodester Class and Exam Timetabling System CYS.php cross site scripting
A vulnerability was determined in SourceCodester Class and Exam Timetabling System 1.0. Affected by this vulnerability is an unknown functionality of the file /CYS.php. This manipulation of the argument course causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
SourceCodester Class and Exam Timetabling System CYS.php cross site scripting
A vulnerability was determined in SourceCodester Class and Exam Timetabling System 1.0. Affected by this vulnerability is an unknown functionality of the file /CYS.php. This manipulation of the argument course causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
- Record
CVE-2026-16202- CVSS 4.0
- 5.1 Medium
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 - CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R - CVSS 3.0
- 3.5 Low
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R - CVSS 2.0
- 4.0
AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR - Weakness
- CWE-79, CWE-94
- Updated
- 2026-11-02
EUVDEUVD-2026-45413
A vulnerability was determined in SourceCodester Class and Exam Timetabling System 1.0. Affected by this vulnerability is an unknown functionality of the file /CYS.php. This manipulation of the argument course causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
- Record
EUVD-2026-45413- CVSS 4.0
- 5.1 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-grp8-2555-3cmp
A vulnerability was determined in SourceCodester Class and Exam Timetabling System 1.0. Affected...
A vulnerability was determined in SourceCodester Class and Exam Timetabling System 1.0. Affected by this vulnerability is an unknown functionality of the file /CYS.php. This manipulation of the argument course causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
- Record
GHSA-grp8-2555-3cmp- CVSS 4.0
- 2.0 Low
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 - CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
A vulnerability was determined in SourceCodester Class and Exam Timetabling System 1.0. Affected by this vulnerability is an unknown functionality of the file /CYS.php. This manipulation of the argument course causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
- Record
CVE-2026-16202- CVSS 4.0
- 2.0 Low
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 - CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:N - Weakness
- CWE-79, CWE-94
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-16202 is a medium vulnerability (CVSS 5.1) in Sourcecodester Class And Exam Timetabling System, published July 19, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 28th percentile. No source names a fixed version.