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Low severity · published Jul 18, 2026
CVE-2026-16155
SourceCodester Class and Exam Timetabling System schoolyr.php cross site scripting
3.5
CVSS
0.3%
EPSS
No
On KEV
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 /schoolyr.php. The manipulation of the argument sy leads to cross site scripting. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CA
Class and Exam Timetabling System · SourceCodester
1.0 · source: vendor
Affected product
CA
Class and Exam Timetabling System
SourceCodester
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-16155
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-16155
github.com
https://github.com/justconter/cve/issues/4
vuldb.com
https://vuldb.com/cve/CVE-2026-16155
vuldb.com
https://vuldb.com/submit/857080
vuldb.com
https://vuldb.com/vuln/379920
vuldb.com
https://vuldb.com/vuln/379920/cti
www.sourcecodester.com
https://www.sourcecodester.com/
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